You can choose Zakir Hussain at first as it is a good college overall.

Some of the top science colleges are:

1. St. Stephen’s College

2. Miranda House

3. Hindu College

4. Sri Venkateswara College

5. Hansraj College

6. Ramjas College

7. Gargi College

8. Acharya Narendra Dev College

9. Deen Dayal Upadhyay College

10. SGTB Khalsa College

hope this helps.