Hello shreshta ranjan,

As per your marks you are not eligible for allmost all top colleges as The placement record for all these colleges are above average and some reputed software giants also visit these campuses. Those willing to learn something out of the box will get opportunity here, as most of the above colleges have well equipped labs and innovation centres.

You may apply for spot round there you may get some colleges as per your obc category 

All the best choose wisely:)