Hello Nishu,
The difficulty level of BITSAT is lower than JEE Mains. All it requires is speed with accuracy and nothing more.
The topics will remain the same apart from the fact that there will be English section so you can prepare for that additionally. Rest will be same.
All the best.
College Comparison based on Courses, Placement, Rank, Fee
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile