Avoiding multiple device data getting retrieved upon the same id

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java

@@ -748,7 +748,7 @@ public abstract class AbstractDeviceDAOImpl implements DeviceDAO {
         ResultSet rs = null;
         try {
             conn = this.getConnection();
-            String sql = "SELECT ID AS ENROLMENT_ID FROM DM_ENROLMENT WHERE DEVICE_ID = (SELECT d.ID " +
+            String sql = "SELECT ID AS ENROLMENT_ID FROM DM_ENROLMENT WHERE DEVICE_ID = (SELECT DISTINCT d.ID " +
                     "FROM DM_DEVICE d, DM_DEVICE_TYPE t WHERE d.DEVICE_TYPE_ID = t.ID " +
                     "AND d.DEVICE_IDENTIFICATION = ? AND t.NAME = ? AND d.TENANT_ID = ?) " +
                     "AND STATUS = ? AND TENANT_ID = ?";