Dear Nitish,
Please don't depress yourself. In case you are interested in Software Engineering, you should for it only. Only understand one thing that please always follow your interest. The subjects/stream you're really interested in, opt for that only.
Further, if we talk about colleges in india, here is the list of top colleges in india-
I hope this has helped you. Don't get sad, everyone faces this confusion after 12th. You will get out of this. Don't worry.
All the Best :)
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