At this stage what should be the course of action by my lawyer?
He has to file a petition to submit additional documents before court
Can I seek eviction purely on basis of expiry of 11 month lease period, first by serving the notice for eviction and then filing eviction suit?
You can add that as one more reason to seek eviction.
If yes, how and what will happen to my current suit in court?
In this suit itself, you can mention that in the chief examination
If no, can I include this ground (11 month expiry) in my present suit?
In Rajasthan 11 month lease need not be registered.
11 months agreement need not be mandatorily registered.