Hello Aspirant,

Some good colleges in Tamil Nadu for B.Sc in Biotechnology:-

PSG College of Arts and Science, Coimbatore

Stella Maris College, Chennai

Sri Krishna Arts and Science College, Coimbatore

Women's Christian College, Chennai

Bishop Heber College, Tiruchirappalli

Lady Doak College, Madurai

SRC College Trichy - Seethalakshmi Ramaswami College

Nehru Arts and Science College, Coimbatore

Guru Nanak College, Chennai

For complete list refer to the link given below :-

https://university.careers360.com/colleges/list-of-bsc-in-biotechnology-degree-colleges-in-tamil-nadu

I hope this information helps you.

Good Luck!!