diff --git a/rfcMgr/gtest/gtest_main.cpp b/rfcMgr/gtest/gtest_main.cpp
index cabff72b..a470cce9 100644
--- a/rfcMgr/gtest/gtest_main.cpp
+++ b/rfcMgr/gtest/gtest_main.cpp
@@ -618,6 +618,22 @@ TEST(rfcMgrTest, isSecureDbgSrvUnlocked_labsigned_DbgSrv_false) {
     EXPECT_EQ(result, false);
 }
 
+TEST(rfcMgrTest, isSecureDbgSrvUnlocked_vbn) {
+    writeToTr181storeFile("BUILD_TYPE", "vbn", "/tmp/device.properties", Plain);
+    RuntimeFeatureControlProcessor *rfcObj = new RuntimeFeatureControlProcessor();
+    bool result = rfcObj->isSecureDbgSrvUnlocked();
+    delete rfcObj;
+    EXPECT_EQ(result, false);
+}
+
+TEST(rfcMgrTest, isSecureDbgSrvUnlocked_qa) {
+    writeToTr181storeFile("BUILD_TYPE", "qa", "/tmp/device.properties", Plain);
+    RuntimeFeatureControlProcessor *rfcObj = new RuntimeFeatureControlProcessor();
+    bool result = rfcObj->isSecureDbgSrvUnlocked();
+    delete rfcObj;
+    EXPECT_EQ(result, false);
+}
+
 TEST(rfcMgrTest, isDebugServicesEnabled) {
     writeToTr181storeFile("Device.DeviceInfo.X_RDKCENTRAL-COM_RFC.Identity.DbgServices.Enable", "true", "/opt/secure/RFC/tr181store.ini", Quoted);    
     RuntimeFeatureControlProcessor *rfcObj = new RuntimeFeatureControlProcessor();
diff --git a/rfcMgr/rfc_xconf_handler.h b/rfcMgr/rfc_xconf_handler.h
index 76c03c52..1a098bfd 100644
--- a/rfcMgr/rfc_xconf_handler.h
+++ b/rfcMgr/rfc_xconf_handler.h
@@ -230,6 +230,13 @@ class RuntimeFeatureControlProcessor : public xconf::XconfHandler
     FRIEND_TEST(rfcMgrTest, getJsonRpc);
     FRIEND_TEST(rfcMgrTest, cleanAllFile);
     FRIEND_TEST(rfcMgrTest, checkWhoamiSupport);
+    FRIEND_TEST(rfcMgrTest, isSecureDbgSrvUnlocked_dev);
+    FRIEND_TEST(rfcMgrTest, isSecureDbgSrvUnlocked_labsigned_true);
+    FRIEND_TEST(rfcMgrTest, isSecureDbgSrvUnlocked_prod);
+    FRIEND_TEST(rfcMgrTest, isSecureDbgSrvUnlocked_dType_prod);
+    FRIEND_TEST(rfcMgrTest, isSecureDbgSrvUnlocked_labsigned_DbgSrv_false);
+    FRIEND_TEST(rfcMgrTest, isSecureDbgSrvUnlocked_vbn);
+    FRIEND_TEST(rfcMgrTest, isSecureDbgSrvUnlocked_qa);
     FRIEND_TEST(rfcMgrTest, isDebugServicesEnabled);
     FRIEND_TEST(rfcMgrTest, isMaintenanceEnabled);
     FRIEND_TEST(rfcMgrTest, GetOsClass);