hello aspirant..

well your present score of jee mains is not sufficient to get admission for the computer science in any of the nits. But  you can ofcourse try for other courses. well you will be able to qualify the jee mains as per expected cutoff so you can give a try for the jee advanced examination. For other college of your eligibility folllow the given link below..

hope this helps

all the best for your bright future