Hello

According to the rank and based on the previous year cutoff, chances would be less of getting seat in NITs, IIITs, through JoSAA Counselling. You can try getting admission through state level counselling.

Use the College Predictor Tool to check the Engineering colleges  where you  have chances of admission based on your rank. 

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

Good Luck!