Exam

Yes, you would need GMAT definitely. GMAT is a written exam and IELTS is for communication and listening skills which is must for getting admission into any MBA college.

You must complete any Bachelor course and to get into MA there are many entrances like CAT, CMAT, SNAP, XAT etc. and based on their scores you can get admission.

Nothing can be predicted beforehand about the no. of questions and/or a score that can fetch you 99 percentile. Percentile is a relative term, which depends upon how the exam is, how the other test-takers have fared in it and how many easy-tricky-difficult questions you've attempted. So, since there

You can apply for MBA at BITS if you have graduation percentage more than 60% and have a good work-experience.

Yes, you surely can. But you should practise a lot and maintain a proper schedule all throughout the year. Get your basics clear and move ahead and also don't forget to practise previous year’s questions, you will learn a lot from that.

Yes, you have a good chance to get a call.Rest depends on GD PI.
Best of luck!

They don't mention the cut-off. However, the minimum eligibility is 50% in gradation.

The chances of getting an interview call is very less.

Yes, you can apply for MBA at BITS Pilani.

If you are very good in biology and chemistry then you can recover some marks of physics and can crack NEET. But, if you want a good rank then you have to focus on physics also because then only you can get a good rank.