diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/pom.xml b/components/device-mgt/org.wso2.carbon.device.mgt.core/pom.xml
index 4b01db648..c25fe103c 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/pom.xml
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/pom.xml
@@ -87,6 +87,11 @@
             <groupId>org.wso2.carbon</groupId>
             <artifactId>org.wso2.carbon.device.mgt.common</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon</groupId>
+            <artifactId>logging</artifactId>
+            <version>${carbon.platform.version}</version>
+        </dependency>
     </dependencies>
 
 </project>
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/DeviceMgtDAO.java b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/DeviceMgtDAO.java
index bcee7df2e..ba9a49fdd 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/DeviceMgtDAO.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/DeviceMgtDAO.java
@@ -1,20 +1,40 @@
-/**
- *  Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+/*
+ * Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
  *
- *  Licensed 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
+ * 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
+ * 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.
+ * 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.core.dao;
 
-public class DeviceMgtDAO {
+import org.wso2.carbon.device.mgt.core.dao.exception.CDMDAOException;
+import org.wso2.carbon.device.mgt.core.dao.exception.CDMDatabaseConnectionException;
+import org.wso2.carbon.device.mgt.core.dto.Device;
+import org.wso2.carbon.device.mgt.core.dto.Status;
+
+import java.util.List;
+
+public interface DeviceMgtDAO {
+
+    void addDevice(Device device) throws CDMDAOException, CDMDatabaseConnectionException;
+
+    void updateDevice(Device device) throws CDMDAOException, CDMDatabaseConnectionException;
+
+    void updateDeviceStatus(Long deviceId, Status status) throws CDMDAOException, CDMDatabaseConnectionException;
+
+    void deleteDevice(Long deviceId) throws CDMDAOException, CDMDatabaseConnectionException;
+
+    List<Device> getDeviceByDeviceId(Long deviceId) throws CDMDAOException, CDMDatabaseConnectionException;
 
 }
diff --git a/pom.xml b/pom.xml
index 81923e069..3259cec23 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,6 +95,7 @@
 
     <properties>
         <carbon.kernel.version>4.3.0-SNAPSHOT</carbon.kernel.version>
+        <carbon.platform.version>4.3.0-SNAPSHOT</carbon.platform.version>
         <carbon.p2.plugin.version>1.5.4</carbon.p2.plugin.version>
         <maven-buildnumber-plugin.version>1.3</maven-buildnumber-plugin.version>
         <axis2.osgi.version.range>[1.6.1.wso2v11, 1.7.0)</axis2.osgi.version.range>