Hello Shraddha,

B.sc Hons in physics is not available at Anna University, Chennai.

Some other Universities/ Colleges in Chennai offering Bsc (Hons) in Physics-

1. Loyola College - You can refer to this Link to get details about admission: http://www.loyolacollege.edu/admission/

2. Queen Mary's College, Chennai - http://www.queenmaryscollege.edu.in/

3. Pachaiyappa's College - http://pachaiyappascollege.edu.in/

4. StellaMaris College - http://stellamariscollege.edu.in/

Colleges in Delhi University also offer Bsc (hons) in Physics-Hindu college, Ramjas College etc.

Hope this helps you!!