You scored a decent percentage but if we are talking of top colleges like Hindu College, St. Stephens, Hansraj College, Ramjas College etc the cut offs go as high as 97-98% for BSc courses.
You can however have a shot in colleges like Aatma Ram Sanatan Dharma college (in the last few rounds), Bhaskaracharya college of applied sciences, Deshbandhu College (in the later rounds).
Hope this helped. Good luck.

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