diff --git a/components/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/android/impl/AndroidDeviceManagementService.java b/components/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/android/impl/AndroidDeviceManagementService.java
index e3b728eecd..6eaacc1a8e 100644
--- a/components/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/android/impl/AndroidDeviceManagementService.java
+++ b/components/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/android/impl/AndroidDeviceManagementService.java
@@ -73,6 +73,12 @@ public class AndroidDeviceManagementService implements DeviceManagementService {
         return null;
     }
 
+    @Override
+    public void notifyOperationToDevices(Operation operation, List<DeviceIdentifier> deviceIdentifiers)
+            throws DeviceManagementException {
+
+    }
+
     @Override
     public Application[] getApplications(String s, int i, int i2) throws ApplicationManagementException {
         return new Application[0];
@@ -90,9 +96,18 @@ public class AndroidDeviceManagementService implements DeviceManagementService {
         return null;
     }
 
-    @Override
-    public void installApplication(Operation operation,
-                                   List<DeviceIdentifier> deviceIdentifiers) throws ApplicationManagementException {
+    @Override public void installApplicationForDevices(Operation operation, List<DeviceIdentifier> deviceIdentifiers)
+            throws ApplicationManagementException {
+
+    }
+
+    @Override public void installApplicationForUsers(Operation operation, List<String> strings)
+            throws ApplicationManagementException {
+
+    }
+
+    @Override public void installApplicationForUserRoles(Operation operation, List<String> strings)
+            throws ApplicationManagementException {
 
     }
 
diff --git a/components/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/android/impl/AndroidPolicyMonitoringService.java b/components/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/android/impl/AndroidPolicyMonitoringService.java
index d5a630c2ba..4d46da7bf8 100644
--- a/components/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/android/impl/AndroidPolicyMonitoringService.java
+++ b/components/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/android/impl/AndroidPolicyMonitoringService.java
@@ -28,6 +28,8 @@ import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.mgt.common.Device;
 import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
 import org.wso2.carbon.device.mgt.common.DeviceManagementConstants;
+import org.wso2.carbon.device.mgt.mobile.impl.android.gcm.GCMService;
+import org.wso2.carbon.device.mgt.mobile.internal.MobileDeviceManagementDataHolder;
 import org.wso2.carbon.policy.mgt.common.Policy;
 import org.wso2.carbon.policy.mgt.common.monitor.ComplianceData;
 import org.wso2.carbon.policy.mgt.common.monitor.ComplianceFeature;
@@ -43,7 +45,10 @@ public class AndroidPolicyMonitoringService implements PolicyMonitoringService {
 
     @Override
     public void notifyDevices(List<Device> list) throws PolicyComplianceException {
-
+        GCMService gcmService = MobileDeviceManagementDataHolder.getInstance().getGCMService();
+        if (gcmService.isGCMEnabled() && !list.isEmpty()) {
+            gcmService.sendNotification("POLICY_BUNDLE", list);
+        }
     }
 
     @Override
diff --git a/components/device-mgt-mdm-windows/org.wso2.carbon.device.mgt.mobile.windows.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/windows/impl/WindowsDeviceManagementService.java b/components/device-mgt-mdm-windows/org.wso2.carbon.device.mgt.mobile.windows.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/windows/impl/WindowsDeviceManagementService.java
index 4ecfa14c47..bbae3b6998 100644
--- a/components/device-mgt-mdm-windows/org.wso2.carbon.device.mgt.mobile.windows.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/windows/impl/WindowsDeviceManagementService.java
+++ b/components/device-mgt-mdm-windows/org.wso2.carbon.device.mgt.mobile.windows.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/windows/impl/WindowsDeviceManagementService.java
@@ -73,6 +73,11 @@ public class WindowsDeviceManagementService implements DeviceManagementService {
         return null;
     }
 
+    @Override public void notifyOperationToDevices(Operation operation, List<DeviceIdentifier> deviceIdentifiers)
+            throws DeviceManagementException {
+
+    }
+
     @Override
     public Application[] getApplications(String s, int i, int i2) throws ApplicationManagementException {
         return new Application[0];
@@ -90,9 +95,19 @@ public class WindowsDeviceManagementService implements DeviceManagementService {
         return null;
     }
 
-    @Override
-    public void installApplication(Operation operation,
-                                   List<DeviceIdentifier> deviceIdentifiers) throws ApplicationManagementException {
+    @Override public void installApplicationForDevices(Operation operation, List<DeviceIdentifier> deviceIdentifiers)
+            throws ApplicationManagementException {
+
+    }
+
+    @Override public void installApplicationForUsers(Operation operation, List<String> strings)
+            throws ApplicationManagementException {
+
+    }
+
+    @Override public void installApplicationForUserRoles(Operation operation, List<String> strings)
+            throws ApplicationManagementException {
+
     }
 
 }
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/pom.xml b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/pom.xml
index e0d48a9593..d0c0f376e5 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/pom.xml
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/pom.xml
@@ -61,18 +61,14 @@
                             javax.xml.bind.*,
                             javax.naming,
                             javax.sql,
-                            javax.xml.bind.annotation.*,
-                            javax.xml.parsers.*;resolution:=optional,
+                            javax.xml.parsers,
                             org.w3c.dom,
-                            org.wso2.carbon.core,
                             org.wso2.carbon.context,
                             org.wso2.carbon.utils.*,
                             org.wso2.carbon.device.mgt.common.*,
                             org.wso2.carbon.ndatasource.core,
                             org.wso2.carbon.policy.mgt.common.*,
-                            org.wso2.carbon.policy.mgt.core.*,
                             org.wso2.carbon.registry.core,
-                            org.wso2.carbon.registry.core.exceptions,
                             org.wso2.carbon.registry.core.service,
                             org.wso2.carbon.registry.core.session,
                             org.wso2.carbon.registry.api,
@@ -81,6 +77,7 @@
                         </Import-Package>
                         <Export-Package>
                             !org.wso2.carbon.device.mgt.mobile.internal,
+                            !org.wso2.carbon.device.mgt.mobile.impl,
                             org.wso2.carbon.device.mgt.mobile.*,
                         </Export-Package>
                     </instructions>
@@ -169,5 +166,9 @@
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.google.android.gcm</groupId>
+            <artifactId>gcm-server</artifactId>
+        </dependency>
     </dependencies>
 </project>
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/android/gcm/GCMResult.java b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/android/gcm/GCMResult.java
new file mode 100644
index 0000000000..c15d6d4c4c
--- /dev/null
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/android/gcm/GCMResult.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * WSO2 Inc. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * you may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.wso2.carbon.device.mgt.mobile.impl.android.gcm;
+
+/**
+ * Represents model object for holding GCM response data.
+ */
+public class GCMResult {
+
+    private String errorMsg;
+    private String msg;
+    private int statusCode;
+
+    public String getErrorMsg() {
+        return errorMsg;
+    }
+
+    public void setErrorMsg(String errorMsg) {
+        this.errorMsg = errorMsg;
+    }
+
+    public String getMsg() {
+        return msg;
+    }
+
+    public void setMsg(String msg) {
+        this.msg = msg;
+    }
+
+    public int getStatusCode() {
+        return statusCode;
+    }
+
+    public void setStatusCode(int statusCode) {
+        this.statusCode = statusCode;
+    }
+}
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/android/gcm/GCMService.java b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/android/gcm/GCMService.java
new file mode 100644
index 0000000000..2113dd062f
--- /dev/null
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/android/gcm/GCMService.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * WSO2 Inc. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * you may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.wso2.carbon.device.mgt.mobile.impl.android.gcm;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.wso2.carbon.device.mgt.common.Device;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * GCM notification service implementation for Android platform.
+ */
+public class GCMService {
+
+    private static final Log log = LogFactory.getLog(GCMService.class);
+    private static final String NOTIFIER_TYPE = "notifierType";
+    private static final String GCM_NOTIFIER_CODE = "2";
+
+    public boolean isGCMEnabled() {
+        String notifierType = GCMUtil.getConfigurationProperty(NOTIFIER_TYPE);
+        if (GCM_NOTIFIER_CODE.equals(notifierType)) {
+            return true;
+        }
+        return false;
+    }
+
+    public void sendNotification(String messageData, Device device) {
+        List<Device> devices = new ArrayList<>();
+        devices.add(device);
+        GCMResult result = GCMUtil.sendWakeUpCall(messageData, devices);
+        if (result.getStatusCode() != 200) {
+            log.error("Exception occurred while sending the GCM notification : " + result.getErrorMsg());
+        }
+    }
+
+    public void sendNotification(String messageData, List<Device> devices) {
+        GCMResult result = GCMUtil.sendWakeUpCall(messageData, devices);
+        if (result.getStatusCode() != 200) {
+            log.error("Exception occurred while sending the GCM notification : " + result.getErrorMsg());
+        }
+    }
+}
\ No newline at end of file
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/android/gcm/GCMUtil.java b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/android/gcm/GCMUtil.java
new file mode 100644
index 0000000000..ce08d896d5
--- /dev/null
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/android/gcm/GCMUtil.java
@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * WSO2 Inc. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * you may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.wso2.carbon.device.mgt.mobile.impl.android.gcm;
+
+import com.google.gson.*;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.wso2.carbon.context.CarbonContext;
+import org.wso2.carbon.device.mgt.common.Device;
+import org.wso2.carbon.device.mgt.common.DeviceManagementException;
+import org.wso2.carbon.device.mgt.common.configuration.mgt.ConfigurationEntry;
+import org.wso2.carbon.device.mgt.common.configuration.mgt.TenantConfiguration;
+import org.wso2.carbon.device.mgt.common.spi.DeviceManagementService;
+import org.wso2.carbon.device.mgt.mobile.impl.android.util.AndroidPluginConstants;
+import org.wso2.carbon.device.mgt.mobile.internal.MobileDeviceManagementDataHolder;
+
+import java.io.*;
+import java.net.HttpURLConnection;
+import java.net.ProtocolException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+/**
+ * Implements utility methods used by GCMService.
+ */
+public class GCMUtil {
+
+    private static final Log log = LogFactory.getLog(GCMService.class);
+
+    private final static String GCM_ENDPOINT = "https://gcm-http.googleapis.com/gcm/send";
+    private static final String GCM_API_KEY = "gcmAPIKey";
+    private static final int TIME_TO_LIVE = 60;
+    private static final int HTTP_STATUS_CODE_OK = 200;
+
+    private static HashMap<Integer,TenantConfiguration> tenantConfigurationCache = new HashMap<>();
+
+    public static GCMResult sendWakeUpCall(String message, List<Device> devices) {
+        GCMResult result = new GCMResult();
+
+        byte[] bytes = getGCMRequest(message, getGCMTokens(devices)).getBytes();
+        HttpURLConnection conn;
+        try {
+            conn = (HttpURLConnection) (new URL(GCM_ENDPOINT)).openConnection();
+            conn.setDoOutput(true);
+            conn.setUseCaches(false);
+            conn.setFixedLengthStreamingMode(bytes.length);
+            conn.setRequestMethod("POST");
+            conn.setRequestProperty("Content-Type", "application/json");
+            conn.setRequestProperty("Authorization", "key=" + getConfigurationProperty(GCM_API_KEY));
+
+            OutputStream out = conn.getOutputStream();
+            out.write(bytes);
+            out.close();
+
+            int status = conn.getResponseCode();
+            result.setStatusCode(status);
+            if (status != HTTP_STATUS_CODE_OK) {
+                result.setErrorMsg(getString(conn.getErrorStream()));
+            } else {
+                result.setMsg(getString(conn.getInputStream()));
+            }
+        } catch (ProtocolException e) {
+            log.error("Exception occurred while setting the HTTP protocol.", e);
+        } catch (IOException ex) {
+            log.error("Exception occurred while sending the GCM request.", ex);
+        }
+
+        return result;
+    }
+
+    private static String getString(InputStream stream) throws IOException {
+        if (stream != null) {
+            BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
+            StringBuilder content = new StringBuilder();
+
+            String newLine;
+            do {
+                newLine = reader.readLine();
+                if (newLine != null) {
+                    content.append(newLine).append('\n');
+                }
+            } while (newLine != null);
+
+            if (content.length() > 0) {
+                content.setLength(content.length() - 1);
+            }
+
+            return content.toString();
+        }
+        return null;
+    }
+
+    private static String getGCMRequest(String message, List<String> registrationIds) {
+        JsonObject gcmRequest = new JsonObject();
+        gcmRequest.addProperty("delay_while_idle", false);
+        gcmRequest.addProperty("time_to_live", TIME_TO_LIVE);
+
+        //Add message to GCM request
+        JsonObject data = new JsonObject();
+        if (message != null && !message.isEmpty()) {
+            data.addProperty("data", message);
+            gcmRequest.add("data", data);
+        }
+
+        //Set device reg-ids
+        JsonArray regIds = new JsonArray();
+        for (String regId : registrationIds) {
+            regIds.add(new JsonPrimitive(regId));
+        }
+
+        gcmRequest.add("registration_ids", regIds);
+        return gcmRequest.toString();
+    }
+
+    private static List<String> getGCMTokens(List<Device> devices) {
+        List<String> tokens = new ArrayList<>();
+        for (Device device : devices) {
+            tokens.add(getGCMToken(device.getProperties()));
+        }
+        return tokens;
+    }
+
+    private static String getGCMToken(List<Device.Property> properties) {
+        String gcmToken = null;
+        for (Device.Property property : properties) {
+            if (AndroidPluginConstants.GCM_TOKEN.equals(property.getName())) {
+                gcmToken = property.getValue();
+                break;
+            }
+        }
+        return gcmToken;
+    }
+
+    public static String getConfigurationProperty(String property) {
+        DeviceManagementService androidDMService = MobileDeviceManagementDataHolder.getInstance().
+                getAndroidDeviceManagementService();
+        try {
+            //Get the TenantConfiguration from cache if not we'll get it from DM service
+            TenantConfiguration tenantConfiguration = getTenantConfigurationFromCache();
+            if (tenantConfiguration == null) {
+                tenantConfiguration = androidDMService.getDeviceManager().getConfiguration();
+                if (tenantConfiguration != null) {
+                    addTenantConfigurationToCache(tenantConfiguration);
+                }
+            }
+
+            if (tenantConfiguration != null) {
+                List<ConfigurationEntry> configs = tenantConfiguration.getConfiguration();
+                for (ConfigurationEntry entry : configs) {
+                    if (property.equals(entry.getName())) {
+                        return (String) entry.getValue();
+                    }
+                }
+            }
+            return "";
+        } catch (DeviceManagementException e) {
+            log.error("Exception occurred while fetching the tenant-config.",e);
+        }
+        return null;
+    }
+
+    private static void addTenantConfigurationToCache(TenantConfiguration tenantConfiguration) {
+        tenantConfigurationCache.put(getTenantId(), tenantConfiguration);
+    }
+
+    private static TenantConfiguration getTenantConfigurationFromCache() {
+        return tenantConfigurationCache.get(getTenantId());
+    }
+
+    private static int getTenantId() {
+        return CarbonContext.getThreadLocalCarbonContext().getTenantId();
+    }
+}
\ No newline at end of file
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/internal/MobileDeviceManagementDataHolder.java b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/internal/MobileDeviceManagementDataHolder.java
index 40c6610090..869904e81c 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/internal/MobileDeviceManagementDataHolder.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/internal/MobileDeviceManagementDataHolder.java
@@ -18,6 +18,8 @@
 
 package org.wso2.carbon.device.mgt.mobile.internal;
 
+import org.wso2.carbon.device.mgt.common.spi.DeviceManagementService;
+import org.wso2.carbon.device.mgt.mobile.impl.android.gcm.GCMService;
 import org.wso2.carbon.registry.core.service.RegistryService;
 
 /**
@@ -26,6 +28,8 @@ import org.wso2.carbon.registry.core.service.RegistryService;
 public class MobileDeviceManagementDataHolder {
 
 	private RegistryService registryService;
+	private DeviceManagementService androidDeviceManagementService;
+	private GCMService gcmService;
 
 	private static MobileDeviceManagementDataHolder thisInstance = new MobileDeviceManagementDataHolder();
 
@@ -44,4 +48,20 @@ public class MobileDeviceManagementDataHolder {
 		this.registryService = registryService;
 	}
 
+    public DeviceManagementService getAndroidDeviceManagementService() {
+        return androidDeviceManagementService;
+    }
+
+    public void setAndroidDeviceManagementService(
+            DeviceManagementService androidDeviceManagementService) {
+        this.androidDeviceManagementService = androidDeviceManagementService;
+    }
+
+	public GCMService getGCMService() {
+		return gcmService;
+	}
+
+	public void setGCMService(GCMService gcmService) {
+		this.gcmService = gcmService;
+	}
 }
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/internal/MobileDeviceManagementServiceComponent.java b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/internal/MobileDeviceManagementServiceComponent.java
index 0481671ada..92404b67ae 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/internal/MobileDeviceManagementServiceComponent.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/internal/MobileDeviceManagementServiceComponent.java
@@ -23,13 +23,20 @@ import org.apache.commons.logging.LogFactory;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.ServiceRegistration;
 import org.osgi.service.component.ComponentContext;
+import org.wso2.carbon.device.mgt.common.spi.DeviceManagementService;
 import org.wso2.carbon.device.mgt.mobile.common.MobileDeviceMgtPluginException;
 import org.wso2.carbon.device.mgt.mobile.config.MobileDeviceConfigurationManager;
 import org.wso2.carbon.device.mgt.mobile.config.MobileDeviceManagementConfig;
 import org.wso2.carbon.device.mgt.mobile.config.datasource.MobileDataSourceConfig;
 import org.wso2.carbon.device.mgt.mobile.dao.AbstractMobileDeviceManagementDAOFactory;
 import org.wso2.carbon.device.mgt.mobile.dao.util.MobileDeviceManagementDAOUtil;
+import org.wso2.carbon.device.mgt.mobile.impl.android.AndroidDeviceManagementService;
+import org.wso2.carbon.device.mgt.mobile.impl.android.AndroidPolicyMonitoringService;
+import org.wso2.carbon.device.mgt.mobile.impl.android.gcm.GCMService;
+import org.wso2.carbon.device.mgt.mobile.impl.windows.WindowsDeviceManagementService;
+import org.wso2.carbon.device.mgt.mobile.impl.windows.WindowsPolicyMonitoringService;
 import org.wso2.carbon.ndatasource.core.DataSourceService;
+import org.wso2.carbon.policy.mgt.common.spi.PolicyMonitoringService;
 import org.wso2.carbon.registry.core.service.RegistryService;
 
 import java.util.Map;
@@ -53,7 +60,9 @@ import java.util.Map;
  */
 public class MobileDeviceManagementServiceComponent {
 
+    private ServiceRegistration androidServiceRegRef;
     private ServiceRegistration windowsServiceRegRef;
+    private ServiceRegistration gcmServiceRegRef;
 
     private static final Log log = LogFactory.getLog(MobileDeviceManagementServiceComponent.class);
 
@@ -63,6 +72,7 @@ public class MobileDeviceManagementServiceComponent {
             log.debug("Activating Mobile Device Management Service Component");
         }
         try {
+            BundleContext bundleContext = ctx.getBundleContext();
 
             /* Initialize the data source configuration */
             MobileDeviceConfigurationManager.getInstance().initConfig();
@@ -90,7 +100,30 @@ public class MobileDeviceManagementServiceComponent {
                     log.error("Exception occurred while initializing mobile device management database schema", e);
                 }
             }
+            DeviceManagementService androidDeviceManagementService = new AndroidDeviceManagementService();
+            GCMService gcmService = new GCMService();
 
+            androidServiceRegRef =
+                    bundleContext.registerService(DeviceManagementService.class.getName(),
+                                                  androidDeviceManagementService, null);
+            windowsServiceRegRef =
+                    bundleContext.registerService(DeviceManagementService.class.getName(),
+                            new WindowsDeviceManagementService(), null);
+
+            gcmServiceRegRef =
+                    bundleContext.registerService(GCMService.class.getName(), gcmService, null);
+
+
+            // Policy management service
+
+            bundleContext.registerService(PolicyMonitoringService.class,
+                    new AndroidPolicyMonitoringService(), null);
+            bundleContext.registerService(PolicyMonitoringService.class,
+                    new WindowsPolicyMonitoringService(), null);
+
+            MobileDeviceManagementDataHolder.getInstance().setAndroidDeviceManagementService(
+                    androidDeviceManagementService);
+            MobileDeviceManagementDataHolder.getInstance().setGCMService(gcmService);
             if (log.isDebugEnabled()) {
                 log.debug("Mobile Device Management Service Component has been successfully activated");
             }
@@ -104,9 +137,15 @@ public class MobileDeviceManagementServiceComponent {
             log.debug("De-activating Mobile Device Management Service Component");
         }
         try {
+            if (androidServiceRegRef != null) {
+                androidServiceRegRef.unregister();
+            }
             if (windowsServiceRegRef != null) {
                 windowsServiceRegRef.unregister();
             }
+            if (gcmServiceRegRef != null) {
+                gcmServiceRegRef.unregister();
+            }
             if (log.isDebugEnabled()) {
                 log.debug(
                         "Mobile Device Management Service Component has been successfully de-activated");
diff --git a/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/h2.sql b/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/h2.sql
index 09b3cc91c3..3673fd122e 100644
--- a/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/h2.sql
+++ b/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/h2.sql
@@ -4,7 +4,7 @@
 -- -----------------------------------------------------
 CREATE  TABLE IF NOT EXISTS `AD_DEVICE` (
   `DEVICE_ID` VARCHAR(45) NOT NULL,
-  `GCM_TOKEN` VARCHAR(45) NULL DEFAULT NULL,
+  `GCM_TOKEN` VARCHAR(1000) NULL DEFAULT NULL,
   `DEVICE_INFO` VARCHAR(8000) NULL DEFAULT NULL,
   `IMEI` VARCHAR(45) NULL DEFAULT NULL,
   `IMSI` VARCHAR(45) NULL DEFAULT NULL,
diff --git a/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/mssql.sql b/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/mssql.sql
index f95ec0f913..be8caf6c43 100644
--- a/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/mssql.sql
+++ b/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/mssql.sql
@@ -3,7 +3,7 @@
 -- -----------------------------------------------------
 CREATE  TABLE AD_DEVICE (
   DEVICE_ID VARCHAR(45) NOT NULL,
-  GCM_TOKEN VARCHAR(45) NULL DEFAULT NULL,
+  GCM_TOKEN VARCHAR(1000) NULL DEFAULT NULL,
   DEVICE_INFO VARCHAR(8000) NULL DEFAULT NULL,
   IMEI VARCHAR(45) NULL DEFAULT NULL,
   IMSI VARCHAR(45) NULL DEFAULT NULL,
diff --git a/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/mysql.sql b/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/mysql.sql
index 0f80bdd344..8e85b92c2b 100644
--- a/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/mysql.sql
+++ b/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/mysql.sql
@@ -3,7 +3,7 @@
 -- -----------------------------------------------------
 CREATE  TABLE IF NOT EXISTS `AD_DEVICE` (
   `DEVICE_ID` VARCHAR(45) NOT NULL,
-  `GCM_TOKEN` VARCHAR(45) NULL DEFAULT NULL,
+  `GCM_TOKEN` VARCHAR(1000) NULL DEFAULT NULL,
   `DEVICE_INFO` VARCHAR(8000) NULL DEFAULT NULL,
   `IMEI` VARCHAR(45) NULL DEFAULT NULL,
   `IMSI` VARCHAR(45) NULL DEFAULT NULL,
diff --git a/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/oracle.sql b/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/oracle.sql
index 7e3007ee6c..1331581e79 100644
--- a/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/oracle.sql
+++ b/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/oracle.sql
@@ -3,8 +3,8 @@
 -- -----------------------------------------------------
 CREATE TABLE AD_DEVICE (
   DEVICE_ID VARCHAR(45) NOT NULL ,
-  DEVICE_INFO VARCHAR(1000) DEFAULT NULL,
-  GCM_TOKEN VARCHAR(45) DEFAULT NULL,
+  DEVICE_INFO VARCHAR(4000) DEFAULT NULL,
+  GCM_TOKEN VARCHAR(1000) DEFAULT NULL,
   IMEI VARCHAR(45) DEFAULT NULL,
   IMSI VARCHAR(45) DEFAULT NULL,
   OS_VERSION VARCHAR(45) DEFAULT NULL,
diff --git a/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/postgresql.sql b/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/postgresql.sql
index 18d67c43dd..e4512c53fc 100644
--- a/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/postgresql.sql
+++ b/features/device-mgt-mdm-android/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/dbscripts/plugins/postgresql.sql
@@ -4,7 +4,7 @@
 CREATE TABLE IF NOT EXISTS AD_DEVICE (
   DEVICE_ID VARCHAR(45) NOT NULL ,
   DEVICE_INFO TEXT NULL DEFAULT NULL,
-  GCM_TOKEN VARCHAR(45) NULL DEFAULT NULL,
+  GCM_TOKEN VARCHAR(1000) NULL DEFAULT NULL,
   IMEI VARCHAR(45) NULL DEFAULT NULL,
   IMSI VARCHAR(45) NULL DEFAULT NULL,
   OS_VERSION VARCHAR(45) NULL DEFAULT NULL,
diff --git a/features/device-mgt/org.wso2.carbon.device.mgt.mobile.feature/src/main/resources/dbscripts/plugins/ios/oracle.sql b/features/device-mgt/org.wso2.carbon.device.mgt.mobile.feature/src/main/resources/dbscripts/plugins/ios/oracle.sql
index 315402e181..3ce0a85780 100644
--- a/features/device-mgt/org.wso2.carbon.device.mgt.mobile.feature/src/main/resources/dbscripts/plugins/ios/oracle.sql
+++ b/features/device-mgt/org.wso2.carbon.device.mgt.mobile.feature/src/main/resources/dbscripts/plugins/ios/oracle.sql
@@ -8,7 +8,7 @@ CREATE TABLE IOS_DEVICE (
   MDM_TOKEN VARCHAR(100) DEFAULT NULL,
   UNLOCK_TOKEN VARCHAR(2000) DEFAULT NULL,
   CHALLENGE_TOKEN VARCHAR(45) DEFAULT NULL,
-  DEVICE_INFO VARCHAR(8000) DEFAULT NULL,
+  DEVICE_INFO VARCHAR(4000) DEFAULT NULL,
   SERIAL VARCHAR(45) DEFAULT NULL,
   PRODUCT VARCHAR(45) DEFAULT NULL,
   IMEI VARCHAR(45) DEFAULT NULL,
diff --git a/pom.xml b/pom.xml
index 56df00e873..a1ead1e750 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,6 +17,7 @@
   ~ under the License.
   -->
 
+
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 
@@ -144,6 +145,10 @@
                         <groupId>org.wso2.carbon</groupId>
                         <artifactId>org.wso2.carbon.registry.api</artifactId>
                     </exclusion>
+                    <exclusion>
+                        <groupId>xerces.wso2</groupId>
+                        <artifactId>xercesImpl</artifactId>
+                    </exclusion>
                 </exclusions>
             </dependency>
             <dependency>
@@ -366,8 +371,24 @@
                 <artifactId>h2-database-engine</artifactId>
                 <version>${orbit.h2.engine.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.apache.tomcat.wso2</groupId>
+                <artifactId>jdbc-pool</artifactId>
+                <version>${orbit.tomcat.jdbc.pooling.version}</version>
+            </dependency>
 
             <!--APIM dependencies-->
+            <!--            <dependency>
+                            <groupId>org.wso2.carbon.apimgt</groupId>
+                            <artifactId>org.wso2.carbon.apimgt.core</artifactId>
+                            <version>${carbon.api.mgt.version}</version>
+                            <exclusions>
+                                <exclusion>
+                                    <groupId>org.wso2.carbon.mediation</groupId>
+                                    <artifactId>org.wso2.carbon.mediation.initializer</artifactId>
+                                </exclusion>
+                            </exclusions>
+                        </dependency>-->
             <dependency>
                 <groupId>org.wso2.carbon.apimgt</groupId>
                 <artifactId>org.wso2.carbon.apimgt.core</artifactId>
@@ -499,6 +520,14 @@
                         <groupId>com.googlecode.json-simple.wso2</groupId>
                         <artifactId>json-simple</artifactId>
                     </exclusion>
+                    <exclusion>
+                        <groupId>org.apache.bsf</groupId>
+                        <artifactId>bsf-all</artifactId>
+                    </exclusion>
+                    <exclusion>
+                        <groupId>xerces</groupId>
+                        <artifactId>xercesImpl</artifactId>
+                    </exclusion>
                 </exclusions>
             </dependency>
 
@@ -817,6 +846,11 @@
                 <artifactId>gson</artifactId>
                 <version>${google.gson.version}</version>
             </dependency>
+            <dependency>
+                <groupId>com.google.android.gcm</groupId>
+                <artifactId>gcm-server</artifactId>
+                <version>${gcm.server.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
@@ -849,9 +883,7 @@
 
         <!--Orbit versions-->
         <orbit.h2.engine.version>1.2.140.wso2v3</orbit.h2.engine.version>
-
-        <!-- Tomcat -->
-        <orbit.tomcat.version>7.0.59.wso2v1</orbit.tomcat.version>
+        <orbit.tomcat.version>7.0.52.wso2v5</orbit.tomcat.version>
         <orbit.tomcat.jdbc.pooling.version>7.0.34.wso2v2</orbit.tomcat.jdbc.pooling.version>
         <orbit.version.tomcat-servlet-api>7.0.59.wso2v1</orbit.version.tomcat-servlet-api>
 
@@ -865,7 +897,7 @@
         <carbon.commons.version>4.4.8</carbon.commons.version>
 
         <!-- Carbon API Management -->
-        <carbon.api.mgt.version>4.3.0-SNAPSHOT</carbon.api.mgt.version>
+        <carbon.api.mgt.version>4.3.0</carbon.api.mgt.version>
 
         <!-- Carbon Deployment -->
         <carbon.deployment.version>4.6.0</carbon.deployment.version>
@@ -908,6 +940,11 @@
         <commons-io.version>2.4</commons-io.version>
         <jsr311-api.version>1.1.1</jsr311-api.version>
         <google.gson.version>2.3.1</google.gson.version>
+        <google.gson.version>2.2.4</google.gson.version>
+        <gcm.server.version>1.0.2</gcm.server.version>
+
+	<!-- Release plugin ID for github-->
+	<project.scm.id>github-scm</project.scm.id>
     </properties>
 
     <scm>
@@ -1097,5 +1134,10 @@
                 <enabled>false</enabled>
             </releases>
         </repository>
+        <repository>
+            <id>gcm-server-repository</id>
+            <name>GCM Server repository - GitHub</name>
+            <url>https://github.com/slorber/gcm-server-repository/raw/master/releases/</url>
+        </repository>
 	</repositories>
 </project>