Hello! 

For getting Bits Hyderabad You have to score  around 334  or more marks in BITSAT to get Computer Science. For preparation part  if you are preparing for JEE then you don't have to do separate preparation for BITSAT . Only thing is that you have to do practice for English part because English also comes in the exam. And you should also do practice papers of BITSAT exam so that you can get the idea of exam. 

Hope it answer your concerns. 

Hello Aspirant!

Usually above 400, but as the number of seats are increasing his year, a score above 400 should be fine to get a  in CSE seatpilani campus.For other campus's score above 340 usually get CSE.

Below are some helpful preparation tips on how to crack BITSAT:

1. A well-devised study plan
2. Regular practice
3. Mock tests
4. Thorough revision
5. Personalisation

Hope this helps you getting some idea :)