Hello Sunil, It is always tricky to find good lawyers who give the right advice. Alternatively, you can seek services from specialized property verification firms. I read about Zippserv in Deccan Herald. For my verification needs, I approached Zippserv and I was pleased with their services & professionalism. You can search details in google.
I really appreciate you decision to verify all property documents before purchasing. Search in google, you will find the details of a many property lawyers details. Thanks