BITS Pilani - Birla Institute of Technology and Science Answered Questions

Hi Sabera,
BITSAT : Birla Institute of Technology and Science Admission Test for admissions to the engineering degree courses at the BITS campuses in Pilani, Goa and Hyderabad.
Eligibility: Candidates must have completed their 10+2 from a recognized Board in the country. They must have secured a minimum of 75% in aggregate in the subjects of Physics, Mathematics and Chemistry. In addition, they must have secured a minimum of 60% in each subject separately. Candidates must be proficient in English as well.
Exam Pattern: Online Test: 3 hours, objective type / multiple choice question
You need to contact the institute officials personally for specific admission details as it differs from one college to another.
Hope this information helps. Please feel free to revert.
Wish you luck.

I'm afraid it isn't.
JEE advanced requires concept development, but BIT SAT requires speed and accuracy along with concept development.
But preparation to JEE advanced improves your speed and concept which might help a bit in bitsat. But the difficulty level and speed in these entrance exams are way different.