Exam

I think you should join any coaching institute that has good material for reference, opt for test series and analyses your mocks on regular basis. It is better, if you make a planned chart for your preparation. All the exams have different difficulty level as CAT and XAT are on a higher side, wherea

Yes, it is still a matter of discussion, as CBSE gives a clue about this idea. I think this idea will not be succeed as number of candidate will be larger and too much money will be spent on it. After all nothing can be said. Be prepared.

Nit colleges can be regarded as best choice but only some colleges offer pure sciences so refer to cut off ranks and decide which is better.you can also choose some universities which consider jee main rank

If you can get good branches in other colleges, in which there are good placements go for it. If there are no such branch which you can get, then drop a year and study with full attention.

No, 75% marks is mandatory. You can fill up the choice, but you will be rejected at the time of admission.

Yes, of course, you can get. It will be very easy to get admission with this rank.

You need to clear your backlog first.