diff --git a/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/impl/AbstractGroupDAOImpl.java b/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/impl/AbstractGroupDAOImpl.java
index db38b8eb90..37a10f9c23 100644
--- a/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/impl/AbstractGroupDAOImpl.java
+++ b/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/impl/AbstractGroupDAOImpl.java
@@ -208,9 +208,8 @@ public abstract class AbstractGroupDAOImpl implements GroupDAO {
         }
     }
 
+    @Override
     public int addGroupWithRoles(DeviceGroupRoleWrapper groups, int tenantId) throws GroupManagementDAOException {
-        PreparedStatement stmt = null;
-        ResultSet rs;
         int groupId = -1;
         boolean hasStatus = false;
         try {
@@ -224,29 +223,29 @@ public abstract class AbstractGroupDAOImpl implements GroupDAO {
                         + "VALUES (?, ?, ?, ?, ?, ?, ?)";
                 hasStatus = true;
             }
-            stmt = conn.prepareStatement(sql, new String[]{"ID"});
-            stmt.setString(1, groups.getDescription());
-            stmt.setString(2, groups.getName());
-            stmt.setString(3, groups.getOwner());
-            stmt.setInt(4, tenantId);
-            stmt.setString(5, groups.getParentPath());
-            stmt.setInt(6, groups.getParentGroupId());
-            if (hasStatus) {
-                stmt.setString(7, groups.getStatus());
-            }
-
-
-            stmt.executeUpdate();
-            rs = stmt.getGeneratedKeys();
-            if (rs.next()) {
-                groupId = rs.getInt(1);
+            try (PreparedStatement stmt = conn.prepareStatement(sql, new String[]{"ID"})) {
+                stmt.setString(1, groups.getDescription());
+                stmt.setString(2, groups.getName());
+                stmt.setString(3, groups.getOwner());
+                stmt.setInt(4, tenantId);
+                stmt.setString(5, groups.getParentPath());
+                stmt.setInt(6, groups.getParentGroupId());
+                if (hasStatus) {
+                    stmt.setString(7, groups.getStatus());
+                }
+                stmt.executeUpdate();
+                try (ResultSet rs = stmt.getGeneratedKeys();) {
+                    if (rs.next()) {
+                        groupId = rs.getInt(1);
+                    }
+                    return groupId;
+                }
             }
-            return groupId;
         } catch (SQLException e) {
-            throw new GroupManagementDAOException("Error occurred while adding deviceGroup '" +
-                    groups.getName() + "'", e);
-        } finally {
-            GroupManagementDAOUtil.cleanupResources(stmt, null);
+            String msg = "Error occurred while adding deviceGroup '" +
+                    groups.getName() + "'";
+            log.error(msg);
+            throw new GroupManagementDAOException(msg, e);
         }
     }
 
@@ -281,27 +280,26 @@ public abstract class AbstractGroupDAOImpl implements GroupDAO {
     public boolean addGroupPropertiesWithRoles(DeviceGroupRoleWrapper groups, int groupId, int tenantId)
             throws GroupManagementDAOException {
         boolean status;
-        PreparedStatement stmt = null;
         try {
             Connection conn = GroupManagementDAOFactory.getConnection();
-            stmt = conn.prepareStatement(
+            try (PreparedStatement stmt = conn.prepareStatement(
                     "INSERT INTO GROUP_PROPERTIES(GROUP_ID, PROPERTY_NAME, " +
-                            "PROPERTY_VALUE, TENANT_ID) VALUES (?, ?, ?, ?)");
-            for (Map.Entry<String, String> entry : groups.getGroupProperties().entrySet()) {
-                stmt.setInt(1, groupId);
-                stmt.setString(2, entry.getKey());
-                stmt.setString(3, entry.getValue());
-                stmt.setInt(4, tenantId);
-                stmt.addBatch();
+                            "PROPERTY_VALUE, TENANT_ID) VALUES (?, ?, ?, ?)")) {
+                for (Map.Entry<String, String> entry : groups.getGroupProperties().entrySet()) {
+                    stmt.setInt(1, groupId);
+                    stmt.setString(2, entry.getKey());
+                    stmt.setString(3, entry.getValue());
+                    stmt.setInt(4, tenantId);
+                    stmt.addBatch();
+                }
+                stmt.executeBatch();
+                status = true;
             }
-            stmt.executeBatch();
-            status = true;
         } catch (SQLException e) {
             String msg = "Error occurred while adding properties for group '" +
                     groups.getName() + "' values : " + groups.getGroupProperties();
+            log.error(msg);
             throw new GroupManagementDAOException(msg, e);
-        } finally {
-            GroupManagementDAOUtil.cleanupResources(stmt, null);
         }
         return status;
     }
diff --git a/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/impl/group/PostgreSQLGroupDAOImpl.java b/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/impl/group/PostgreSQLGroupDAOImpl.java
index eec480abd7..6a786a0bfd 100644
--- a/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/impl/group/PostgreSQLGroupDAOImpl.java
+++ b/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/impl/group/PostgreSQLGroupDAOImpl.java
@@ -19,6 +19,8 @@
 package io.entgra.device.mgt.core.device.mgt.core.dao.impl.group;
 
 import io.entgra.device.mgt.core.device.mgt.common.group.mgt.DeviceGroupRoleWrapper;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import io.entgra.device.mgt.core.device.mgt.common.Device;
 import io.entgra.device.mgt.core.device.mgt.common.group.mgt.DeviceGroup;
 import io.entgra.device.mgt.core.device.mgt.core.dao.GroupManagementDAOException;
@@ -40,6 +42,7 @@ import java.util.List;
  */
 public class PostgreSQLGroupDAOImpl extends AbstractGroupDAOImpl {
 
+    private static final Log log = LogFactory.getLog(PostgreSQLGroupDAOImpl.class);
     @Override
     public int addGroup(DeviceGroup deviceGroup, int tenantId) throws GroupManagementDAOException {
         PreparedStatement stmt = null;
@@ -80,15 +83,14 @@ public class PostgreSQLGroupDAOImpl extends AbstractGroupDAOImpl {
         }
     }
 
+    @Override
     public int addGroupWithRoles(DeviceGroupRoleWrapper groups, int tenantId) throws GroupManagementDAOException {
-        PreparedStatement stmt = null;
-        ResultSet rs;
         int groupId = -1;
         boolean hasStatus = false;
         try {
             Connection conn = GroupManagementDAOFactory.getConnection();
             String sql;
-            if(StringUtils.isEmpty(groups.getStatus())) {
+            if (StringUtils.isEmpty(groups.getStatus())) {
                 sql = "INSERT INTO DM_GROUP(DESCRIPTION, GROUP_NAME, OWNER, TENANT_ID, PARENT_PATH) " +
                         "VALUES (?, ?, ?, ?) RETURNING ID";
             } else {
@@ -96,26 +98,28 @@ public class PostgreSQLGroupDAOImpl extends AbstractGroupDAOImpl {
                         "VALUES (?, ?, ?, ?, ?) RETURNING ID";
                 hasStatus = true;
             }
-            stmt = conn.prepareStatement(sql);
-            stmt.setString(1, groups.getDescription());
-            stmt.setString(2, groups.getName());
-            stmt.setString(3, groups.getOwner());
-            stmt.setInt(4, tenantId);
-            stmt.setString(5, groups.getParentPath());
-            if(hasStatus) {
-                stmt.setString(6, groups.getStatus());
+            try (PreparedStatement stmt = conn.prepareStatement(sql)) {
+                stmt.setString(1, groups.getDescription());
+                stmt.setString(2, groups.getName());
+                stmt.setString(3, groups.getOwner());
+                stmt.setInt(4, tenantId);
+                stmt.setString(5, groups.getParentPath());
+                if (hasStatus) {
+                    stmt.setString(6, groups.getStatus());
+                }
+                stmt.execute();
+                try (ResultSet rs = stmt.getGeneratedKeys()) {
+                    if (rs.next()) {
+                        groupId = rs.getInt(1);
+                    }
+                    return groupId;
+                }
             }
-            stmt.execute();
-            rs = stmt.getGeneratedKeys();
-            if (rs.next()) {
-                groupId = rs.getInt(1);
-            }
-            return groupId;
         } catch (SQLException e) {
-            throw new GroupManagementDAOException("Error occurred while adding deviceGroup '" +
-                    groups.getName() + "'", e);
-        } finally {
-            GroupManagementDAOUtil.cleanupResources(stmt, null);
+            String msg = "Error occurred while adding deviceGroup '" +
+                    groups.getName() + "'";
+            log.error(msg);
+            throw new GroupManagementDAOException(msg, e);
         }
     }
 
diff --git a/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/service/GroupManagementProviderService.java b/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/service/GroupManagementProviderService.java
index ab4e7aa926..b263ea1234 100644
--- a/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/service/GroupManagementProviderService.java
+++ b/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/service/GroupManagementProviderService.java
@@ -24,6 +24,13 @@ import io.entgra.device.mgt.core.device.mgt.common.GroupPaginationRequest;
 import io.entgra.device.mgt.core.device.mgt.common.PaginationResult;
 import io.entgra.device.mgt.core.device.mgt.common.exceptions.DeviceNotFoundException;
 import io.entgra.device.mgt.core.device.mgt.common.group.mgt.*;
+import io.entgra.device.mgt.core.device.mgt.common.group.mgt.DeviceGroup;
+import io.entgra.device.mgt.core.device.mgt.common.group.mgt.DeviceGroupRoleWrapper;
+import io.entgra.device.mgt.core.device.mgt.common.group.mgt.DeviceTypesOfGroups;
+import io.entgra.device.mgt.core.device.mgt.common.group.mgt.GroupAlreadyExistException;
+import io.entgra.device.mgt.core.device.mgt.common.group.mgt.GroupManagementException;
+import io.entgra.device.mgt.core.device.mgt.common.group.mgt.GroupNotExistException;
+import io.entgra.device.mgt.core.device.mgt.common.group.mgt.RoleDoesNotExistException;
 
 import java.util.List;
 
diff --git a/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/service/GroupManagementProviderServiceImpl.java b/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/service/GroupManagementProviderServiceImpl.java
index 44dea24fe4..2dd39081a3 100644
--- a/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/service/GroupManagementProviderServiceImpl.java
+++ b/components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/service/GroupManagementProviderServiceImpl.java
@@ -49,6 +49,7 @@ import io.entgra.device.mgt.core.device.mgt.core.util.DeviceManagerUtil;
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.netbeans.lib.cvsclient.commandLine.command.status;
 import org.wso2.carbon.CarbonConstants;
 import org.wso2.carbon.context.CarbonContext;
 import org.wso2.carbon.context.PrivilegedCarbonContext;
@@ -147,7 +148,7 @@ public class GroupManagementProviderServiceImpl implements GroupManagementProvid
         }
     }
 
-    public void createGroupWithRoles(DeviceGroupRoleWrapper groups, String defaultRole, String[] defaultPermissions) throws GroupManagementException, GroupAlreadyExistException {
+    public void createGroupWithRoles(DeviceGroupRoleWrapper groups, String defaultRole, String[] defaultPermissions) throws GroupManagementException {
         if (groups == null) {
             String msg = "Received incomplete data for createGroup";
             log.error(msg);
@@ -179,23 +180,17 @@ public class GroupManagementProviderServiceImpl implements GroupManagementProvid
                 }
                 GroupManagementDAOFactory.commitTransaction();
             } else {
-                throw new GroupAlreadyExistException("Group exist with name " + groups.getName());
+                throw new GroupManagementException("Group exist with name " + groups.getName());
             }
-        } catch (GroupManagementDAOException e) {
+        } catch (GroupManagementDAOException | GroupManagementException e) {
             GroupManagementDAOFactory.rollbackTransaction();
-            String msg = "Error occurred while adding deviceGroup '" + groups.getName() + "' to database.";
+            String msg = e.getMessage();
             log.error(msg, e);
             throw new GroupManagementException(msg, e);
         } catch (TransactionManagementException e) {
             String msg = "Error occurred while initiating transaction.";
             log.error(msg, e);
             throw new GroupManagementException(msg, e);
-        } catch (GroupAlreadyExistException ex) {
-            throw ex;
-        } catch (Exception e) {
-            String msg = "Error occurred in creating group '" + groups.getName() + "'";
-            log.error(msg, e);
-            throw new GroupManagementException(msg, e);
         } finally {
             GroupManagementDAOFactory.closeConnection();
         }