Dear candidate, different courses of BSc have different cutoffs in different colleges of Delhi University. You have a good percentage, you can even get selected in St. Stephens in the last cutoff. However, this time marking system has changed in CBSE/ISC and other state boards so cutoffs may vary. Colleges in which you can take admission are:

• St Stephen’s College(BSc Hons. in Humanities/Chemistry/Computer Science)
• Miranda House
• Hindu College
• Sri Venkateswara College
• Hansraj College
• Ramjas College
• Gargi College
• Acharya Narendra Dev College
• Deen Dayal Upadhyaya College
• SGTB Khalsa College

These are top colleges of BSc, you can take admission in many more. For more information, you can check:

https://university.careers360.com/articles/du-colleges

Hope, it helps!