There is not much difference in the syllabus for JEE and BITSAT, when it comes to Mathematics, Physics and Chemistry. What makes BITSAT unique, however, is the section on Logical Reasoning and English Language.

If you prepare well the exam then you can get BITs Pilani Hyderabad surely. You can check BITSAT cutoff with the given below link.

https://engineering.careers360.com/articles/bitsat-cutoff

Good Luck!