Hello Aspirant,

Some top colleges for Bio-technology in Tamil Nadu are enlisted below :-

Loyola College, Chennai

Presidency College, Chennai

PSG College of Arts and Science, Coimbatore

Sri Krishna Arts and Science College, Coimbatore

Stella Maris College, Chennai

MCC Chennai - Madras Christian College

WCC Chennai - Women's Christian College

St Joseph's College, Tiruchirappalli

Bishop Heber College, Tiruchirappalli

Lady Doak College, Madurai

Thiagarajar College, Madurai

SRC College Trichy - Seethalakshmi Ramaswami College

Nehru Arts and Science College, Coimbatore

Guru Nanak College, Chennai

Ethiraj College for Women, Chennai

Madura College Madurai - The Madura College

SRM Institute of Science and Technology, Ramapuram Campus

DG Vaishnav College Chennai - Dwaraka Doss Goverdhan Doss Vaishnav College

For complete list refer to the link given below :-

Top Biotechnology Degree Colleges in Tamil Nadu 2022 – Courses, Fees, Admission, Rank (careers360.com)

I hope this information helps you.

Good Luck!!