Hey,

There are few really good colleges in India that offer B.Sc in Economics like St.Xavier's, Kolkata.DAV College, Amritsar.Ananda Chandra College.Christ University, Bangalore.Presidency Univerity, Kolkata.

Symbiosis School of Economics, Pune.MIT World University,Pune.Most of the colleges offer BA in Economics.

Here is the list of the colleges that offer B.Sc in Physics,Chemistry,Stats and Mathematics:

Pune-

Fergusson College,Modern College of Arts,Science and commerce,Savitri Bai Phule Pune University

Hyderabad-

Osmania University,Nizam College,University of Hyderabad ,Government City College

Jaipur-

Jaipur National University ,Mahatama Jyoti Rao Phule University,Maharaja College,Suresh Gyan Vihar University

Delhi-

Hindu College,Sri Venkateswara College,Ramjas College,Hansraj College.

Hope  this  helps.

Hello Renu,





Colleges in Pune are,



Fergusson College



M.E.S. Abasaheb Garware College



MIT World Peace University - MIT



Sinhgad College of Science - [SCOS] Ambegaon



Modern College of Arts Science and Commerce - [MCASC] Shivajinagar



Colleges in Jaipur are,



Lal Bahadur Shastri PG College



Jaipur National University - [JNU]



University of Technology - [UOT]



SS Jain Subodh PG College



Colleges in Hydrabad are,



St Francis College for Women



GITAM School of Science



St Ann's College for Women



A.V. College of Arts Science and Commerce - [AV College]



Colleges in Delhi are,



Ramjas College



Mangalayatan University - [MU]



Sri Venkateswara College



All the Best