Hii

The cutoffs for admissions in NITs are yet to be declared and would be releaased only after the final result of JEE Mains would be declared.
I would suggest you to appear in april session also and try to score higher marks so that you stand chance to get admission in NITs.
You can check your rank using rank predictor- Https://engineering.careers360.com/jee-main-rank-predictor
You are requested to wait for final results and cutoffs to be declared.

Thanks!!

yes you will. but as it is OBC it depends. but most probably u have a chance of getting .