Update README.md

README.md

@@ -17,7 +17,12 @@ If your application is not listed, please see the other guides as an example. If
 
 ## Contributing
 
-Please [review our contribution guide](./CONTRIBUTING.md).
+This project is not accepting external contributions at this time. For bugs or enhancement requests, please file a GitHub issue unless it’s security related. When filing a bug remember that the better written the bug is, the more likely it is to be fixed. If you think you’ve found a security vulnerability, do not raise a GitHub issue and follow the instructions in our [security policy](./SECURITY.md).
+
+adb-connectors repository is owned and maintained by Platform Technology Services team which is part of Oracle Database Product Management group.
+All changes are restriced and approved by this group.
+
+For any suggestion and comment mail us at [email protected]
 
 ## Security