Hello rishita . Congratulations for your great score in jee mains paper 2 .Now coming to your questions as you have scored 235 so generally the people with score 250 get a rank aroung 4 k in general category and you are already sc candidate you can get admission into any national institute of technology of your choice . You will face no difficulty or barrier in selecting your colleges. Go for top national institute of technology.

Hope it helps