diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/GadgetDataService.java b/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/GadgetDataService.java
index 14956fd05d6..88fc6826055 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/GadgetDataService.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/GadgetDataService.java
@@ -46,4 +46,10 @@ public interface GadgetDataService {
     @SuppressWarnings("unused")
     Map<String, Integer> getNonCompliantDeviceCountsByFeatures();
 
+    @SuppressWarnings("unused")
+    Map<String, Integer> getDeviceCountsByPlatforms(Map<String, Object> filters);
+
+    @SuppressWarnings("unused")
+    Map<String, Integer> getDeviceCountsByOwnershipTypes(Map<String, Object> filters);
+
 }
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/dao/GadgetDataServiceDAOImpl.java b/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/dao/GadgetDataServiceDAOImpl.java
index 6e311e6917a..8a842c3bddf 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/dao/GadgetDataServiceDAOImpl.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/dao/GadgetDataServiceDAOImpl.java
@@ -175,7 +175,7 @@ class GadgetDataServiceDAOImpl implements GadgetDataServiceDAO {
                 }
             }
             stmt = con.prepareStatement(sql);
-            // [2] appending filter column values
+            // [2] appending filter column values, if exist
             stmt.setInt(1, tenantId);
             if (filters != null && filters.values().size() > 0) {
                 int i = 2;
@@ -212,8 +212,8 @@ class GadgetDataServiceDAOImpl implements GadgetDataServiceDAO {
             con = this.getConnection();
             String sql, advancedSqlFiltering = "";
             // appending filters if exist, to support advanced filtering options
-            // [1] appending filter columns
-            if (filters.size() > 0) {
+            // [1] appending filter columns, if exist
+            if (filters != null && filters.size() > 0) {
                 for (String column : filters.keySet()) {
                     advancedSqlFiltering = advancedSqlFiltering + "AND " + column + " = ? ";
                 }
@@ -227,16 +227,18 @@ class GadgetDataServiceDAOImpl implements GadgetDataServiceDAO {
                         advancedSqlFiltering + "GROUP BY PLATFORM";
             }
             stmt = con.prepareStatement(sql);
-            // [2] appending filter column values
+            // [2] appending filter column values, if exist
             stmt.setInt(1, tenantId);
-            int i = 2;
-            for (Object value : filters.values()) {
-                if (value instanceof Integer) {
-                    stmt.setInt(i, (Integer) value);
-                } else if (value instanceof String) {
-                    stmt.setString(i, (String) value);
+            if (filters != null && filters.values().size() > 0) {
+                int i = 2;
+                for (Object value : filters.values()) {
+                    if (value instanceof Integer) {
+                        stmt.setInt(i, (Integer) value);
+                    } else if (value instanceof String) {
+                        stmt.setString(i, (String) value);
+                    }
+                    i++;
                 }
-                i++;
             }
             // executing query
             rs = stmt.executeQuery();
@@ -262,37 +264,39 @@ class GadgetDataServiceDAOImpl implements GadgetDataServiceDAO {
             con = this.getConnection();
             String sql, advancedSqlFiltering = "";
             // appending filters if exist, to support advanced filtering options
-            // [1] appending filter columns
-            if (filters.size() > 0) {
+            // [1] appending filter columns, if exist
+            if (filters != null && filters.size() > 0) {
                 for (String column : filters.keySet()) {
                     advancedSqlFiltering = advancedSqlFiltering + "AND " + column + " = ? ";
                 }
             }
             if (filteringViewID == 1) {
-                sql = "SELECT PLATFORM, COUNT(DEVICE_ID) AS DEVICE_COUNT FROM DEVICES_VIEW_1 WHERE TENANT_ID = ? " +
+                sql = "SELECT OWNERSHIP, COUNT(DEVICE_ID) AS DEVICE_COUNT FROM DEVICES_VIEW_1 WHERE TENANT_ID = ? " +
                         advancedSqlFiltering + "GROUP BY OWNERSHIP";
             } else {
                 // if filteringViewID == 2
-                sql = "SELECT PLATFORM, COUNT(DEVICE_ID) AS DEVICE_COUNT FROM DEVICES_VIEW_2 WHERE TENANT_ID = ? " +
+                sql = "SELECT OWNERSHIP, COUNT(DEVICE_ID) AS DEVICE_COUNT FROM DEVICES_VIEW_2 WHERE TENANT_ID = ? " +
                         advancedSqlFiltering + "GROUP BY OWNERSHIP";
             }
             stmt = con.prepareStatement(sql);
-            // [2] appending filter column values
+            // [2] appending filter column values, if exist
             stmt.setInt(1, tenantId);
-            int i = 2;
-            for (Object value : filters.values()) {
-                if (value instanceof Integer) {
-                    stmt.setInt(i, (Integer) value);
-                } else if (value instanceof String) {
-                    stmt.setString(i, (String) value);
+            if (filters != null && filters.values().size() > 0) {
+                int i = 2;
+                for (Object value : filters.values()) {
+                    if (value instanceof Integer) {
+                        stmt.setInt(i, (Integer) value);
+                    } else if (value instanceof String) {
+                        stmt.setString(i, (String) value);
+                    }
+                    i++;
                 }
-                i++;
             }
             // executing query
             rs = stmt.executeQuery();
             // fetching query results
             while (rs.next()) {
-                filteredDeviceCountsByOwnershipTypes.put(rs.getString("PLATFORM"), rs.getInt("DEVICE_COUNT"));
+                filteredDeviceCountsByOwnershipTypes.put(rs.getString("OWNERSHIP"), rs.getInt("DEVICE_COUNT"));
             }
         } catch (SQLException e) {
             throw new GadgetDataServiceDAOException("Error occurred while executing a selection query to the database", e);
@@ -319,32 +323,34 @@ class GadgetDataServiceDAOImpl implements GadgetDataServiceDAO {
                 sql = "SELECT DEVICE_ID, PLATFORM, OWNERSHIP, CONNECTIVITY_STATUS FROM DEVICES_VIEW_2 WHERE TENANT_ID = ?";
             }
             // appending filters to support advanced filtering options
-            // [1] appending filter columns
-            if (filters.size() > 0) {
+            // [1] appending filter columns, if exist
+            if (filters != null && filters.size() > 0) {
                 for (String column : filters.keySet()) {
                     sql = sql + " AND " + column + " = ?";
                 }
             }
             stmt = con.prepareStatement(sql);
-            // [2] appending filter column values
+            // [2] appending filter column values, if exist
             stmt.setInt(1, tenantId);
-            int i = 2;
-            for (Object value : filters.values()) {
-                if (value instanceof Integer) {
-                    stmt.setInt(i, (Integer) value);
-                } else if (value instanceof String) {
-                    stmt.setString(i, (String) value);
+            if (filters != null && filters.values().size() > 0) {
+                int i = 2;
+                for (Object value : filters.values()) {
+                    if (value instanceof Integer) {
+                        stmt.setInt(i, (Integer) value);
+                    } else if (value instanceof String) {
+                        stmt.setString(i, (String) value);
+                    }
+                    i++;
                 }
-                i++;
             }
             // executing query
             rs = stmt.executeQuery();
             // fetching query results
             while (rs.next()) {
-                filteredDeviceWithDetails.put("Device-ID", rs.getInt("DEVICE_ID"));
-                filteredDeviceWithDetails.put("Platform", rs.getString("PLATFORM"));
-                filteredDeviceWithDetails.put("Ownership", rs.getString("OWNERSHIP"));
-                filteredDeviceWithDetails.put("Connectivity-Details", rs.getString("CONNECTIVITY_STATUS"));
+                filteredDeviceWithDetails.put("device-id", rs.getInt("DEVICE_ID"));
+                filteredDeviceWithDetails.put("platform", rs.getString("PLATFORM"));
+                filteredDeviceWithDetails.put("ownership", rs.getString("OWNERSHIP"));
+                filteredDeviceWithDetails.put("connectivity-details", rs.getString("CONNECTIVITY_STATUS"));
                 filteredDevicesWithDetails.add(filteredDeviceWithDetails);
             }
         } catch (SQLException e) {
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/internal/GadgetDataServiceImpl.java b/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/internal/GadgetDataServiceImpl.java
index 5a87209688e..6c529681833 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/internal/GadgetDataServiceImpl.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.analytics.dashboard/src/main/java/org/wso2/carbon/device/mgt/analytics/dashboard/internal/GadgetDataServiceImpl.java
@@ -146,4 +146,34 @@ class GadgetDataServiceImpl implements GadgetDataService {
         return nonCompliantDeviceCountsByFeatures;
     }
 
+    @Override
+    public Map<String, Integer> getDeviceCountsByPlatforms(Map<String, Object> filters) {
+        Map<String, Integer> deviceCountsByPlatforms = null;
+        try {
+            GadgetDataServiceDAOFactory.openConnection();
+            deviceCountsByPlatforms = GadgetDataServiceDAOFactory.
+                    getGadgetDataServiceDAO().getDeviceCountsByPlatforms(filters);
+        } catch (GadgetDataServiceDAOException | SQLException e) {
+            return null;
+        } finally {
+            GadgetDataServiceDAOFactory.closeConnection();
+        }
+        return deviceCountsByPlatforms;
+    }
+
+    @Override
+    public Map<String, Integer> getDeviceCountsByOwnershipTypes(Map<String, Object> filters) {
+        Map<String, Integer> deviceCountsByOwnershipTypes = null;
+        try {
+            GadgetDataServiceDAOFactory.openConnection();
+            deviceCountsByOwnershipTypes = GadgetDataServiceDAOFactory.
+                    getGadgetDataServiceDAO().getDeviceCountsByOwnershipTypes(filters);
+        } catch (GadgetDataServiceDAOException | SQLException e) {
+            return null;
+        } finally {
+            GadgetDataServiceDAOFactory.closeConnection();
+        }
+        return deviceCountsByOwnershipTypes;
+    }
+
 }