As per your request, I am giving you contact details of the some best colleges that offering the Undergraduate Physics courses in India.

Government College Kottayam, Kottayam (Kerala)
Nattakom P O , Kottayam (Kottayam Dist.) - 686013

St. Dominics College, Kanjirappally (Kerala)
Kanjirappally (Kottayam Dist.) - 686512

Sanatana Dharma College, Alappuzha (Kerala)
Sanathanapuram P. O , Alappuzha (Alappuzha Dist.) - 688003

St. Teresas College, Ernakulam (Kerala)
Park Avenue Road, Near Govt. Guest House , Ernakulam (Ernakulam Dist.) - 682011

Sacred Heart College, Thevara (Kerala)
Cochin , Thevara (Ernakulam Dist.) - 682013

St. Mary's College, Wayanad (Kerala)
Sulthan Bathery , Wayanad (Wayanad Dist.) - 673592

Devamatha Arts and Science College, Kannur (Kerala)
PO Paisakary , Kannur (Kannur Dist.) - 670633

Nehru Arts and Science College Kanhangad, Kasargode (Kerala)
Kanhangad, Padnekad PO , Kasargode (Kasargode Dist.) - 671314

Mar Dionysius College, Thrissur (Kerala)
Pazhanji P.O , Thrissur (Thrissur Dist.) - 680542

St. Aloysius College, Thrissur (Kerala)
Elthuruth P.O , Thrissur (Thrissur Dist.) - 680611

Sree Vyasa NSS College, Thrissur (Kerala)
Vyasagiri (PO), Wadakkanchery , Thrissur (Thrissur Dist.) - 680582

Sree Narayana College, Thrissur (Kerala)
Nattika P.O , Thrissur (Thrissur Dist.) - 680566
Christ College, Thrissur (Kerala)
P.O. Irinjalakuda North , Thrissur (Thrissur Dist.) - 680125

Vimala College, Thrissur (Kerala)
Thrissur (Thrissur Dist.) - 680009

Sri C Achutha Menon Goverment College, Thrissur (Kerala)
Kuttanellur , Thrissur (Thrissur Dist.) - 680014