Hi Akhil, hope you are doing well, congrats on your good ranks in both general as well as obc. Yes you can get into nit through counselling, you have good chances because you belongs to reserved category and moreover you have good rank as well. To know more about the admissions through jee mains, go through the rank predictor in jee mains, the link for the rank predictor is provided below, 

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

I think it helps you!!!

Keep smiling:)

Wish you good luck!:)