Top science colleges in India are-

1. St. Xavier ‘s college, Mumbai 

2. Miranda house college, Delhi University 

3. Loyola college, Chennai 

4. St. Stephens, Delhi University 

5. Christ university, Bangalore 

6. Sri Venkateswara, Delhi University 

hope this is helpful to you.

Hey Tarun,

These are the best Science colleges of India:

Miranda House

Hindu College (North Campus, Delhi)

St. Stephen's College

Kirori Mal College - KMC

Loyola College (LC, Chennai)

MCC - Madras Christian College

Hansraj College

Christ University

Hope that helps! :)