how much percentile i should get in jee p2 for nits clg in obc category percentile? not marks ?

Hello aspiration,

You should get 95+ percentile to get seat in Top NITs. This is based on previous years data. Many factors are responsible like difficulty level of the exam, number of candidates appearing in the exam, competition, cutoffs percentile etc.

If you wish to get good percentile in next JEE Mains attempt you should work hard.
Tips to get good percentile:
1) Give mock tests so that your score can increase.

2) Prepare notes by yourself to gain confidence.

3) Concentrate on formulae and important concepts.

4) You can concentrate on the topics which you missed in last attempt.

5) Give more importance to topics which has more weightage.

6) Avoid negative marking by answering only the questions you know answers properly.

7) Practice previous years question papers.

8) Make a time table and study accordingly.

You can use rank booster to boost your rank, using below link.
https://learn.careers360.com/jee-main-rank-booster/?icn=QnA&ici=qna_answer

To see previous year's cut-offs of colleges, use below links.
https://josaa.nic.in/Result/Result/currentorcr.aspx

https://engineering.careers360.com/articles/jee-main-cutoff

To predict colleges use below link.
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

All The Best!!