Hello dear ,according to your percentile in jee mains your general rank will be approx 1,20,000 and obc rank will be approx 40,000.With this rank it is very difficult to get good nit.So I personally recommend you to go for next attempt. You have time to get good rank so be focused on it. 

Hope you understands .

Good luck. 

hello Abhishek,

according to this percentile you can take admission in any good college or top private college. percentile cut off is new. 

you can check previous year cut off trends and you can also calculate your rank here by rank calculator.

cut off trends-

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

and link for the rank calculator-

https://engineering.careers360.com/jee-main-rank-predictor

Thank You.