Hey aspirant,

Yes, a good number of colleges in Chennai provides B.Sc courses in PCM. Following are some of the good colleges :-

Loyola College

Madras Christian College - [MCC]

Stella Maris College

Presidency College

Ramakrishna Mission Vivekananda College

Guru Nanak College

Vels Institute of Science, Technology & Advanced Studies

Queen Mary's College

Meenakshi Women's College

Hope this helps,

All the best!