I’m the co-author, with my friend Nupur Raj & Suraj Narayan of the Premium Guide to Tissnet:

• Tata Institute of Social Science (PART 1).: Simplifying the whole process of TISSNET- Kindle Edition.
• A Premium Guide to TISSNET (Part 2): Simplifying the Pre-Interview tests-Kindle Edition.

If you are preparing for the TISSNET exam, you can buy your copy, the link is mentioned above.