dear aspirant,

Here iam just listing out the top and affordable colleges that you could opt for:

• Rajiv Gandhi Center for Biotechnology, Trivandrum
• School of Life Sciences, University of Hyderabad
• Institute of Chemical Technology, University of Mumbai
• Department of Biochemical Engineering & Biotechnology, Indian Institute of Technology
• University School of Biotechnology, Guru Govind Singh Indraprasths University
• Department of Microbiology & Biotechnology Centre, Faculty of Science, The Maharaja Sayaji Rao University of Baroda
• Department of Animal Biotechnology, Madras Veterinary College, Tamilnadu Veterinary and Animal Sciences University
• University Institute of Engineering & Technology, Punjab University
• Department of Plant Molecular Biology & Biotechnology, Tamil Nadu Agricultural University
• Bioinformatics Centre, University of Pune
• Avinashilinagam University for Women
• Center for Biotechnology, Anna University
• Department of Biotechnology, University of Kashmir
• Hazratbal, Jammu & Kashmir
• Guru Jambheshwar University of Science & Technology, Hisar
• School of Biotechnology, Maduari Kamraj University
• Department of Biochemistry, University of Lucknow
• Department of Biotechnology, Cochin University of Science & Technology
• Department of Microbiology, Bangalore University
• National Institute of Pharmaceutical Education & Research

if you have any queries regarding any of those institutes you can comment in the comment section.

hope it helped.