Which college I should apply. I am not getting NIT, IIT, due to the cretaria of 75% in board exam. Any private or government college.

If you get any government college then definitely go for it and if not then you can try for any private college. Click this link to know the details: https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor Good luck.

You have to apply for private institutes. To know the list of top institutes where the eligibility is less than 60% in class 12th use the college predictor tool. https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor