To get patta from grand parent's landed property

First there should be legal separation of all the co-sharers through a settlement deed and basing on such deed mutation has to be done in revenue records, and application has to be made for pass books in different names of sharers, after the property is divided in metes and bounds in individual names.

Facts posted are incomplete.

Why do you need patta from grandfather ?

What is the civil suit ? Who has instituted the suit and against whom ?

Consult your lawyer if it is not a time pass query.