You are asking for the PhD biotechnology colleges in India. There are many PhD biotechnology colleges are located in India. Here I am providing you list of some of these colleges. These are as follows:

Amity Institute of Biotechnology
Anna University
Asia-Pacific Institute of Management
Assam Agricultural University
Bharathiar University
Bioinformatics Centre (D.I.C.): University Of Pune
Bioinformatics Centre: School Of Biotechnology - Madurai Kamraj University
Biotech Consortium India Ltd
Cancer Research Institute
Center for Human Genetics
Central Research Institute, Kasauli
Central University, Hyderabad
Centre for Biotechnology, Anna University
Cochin University of Science and Technology
Daulat Ram College
Department Of Biological Sciences and Bio-Engineering, Indian Institute of Technology, Kanpur
Department Of Medical Genetics: Sanjay Gandhi Postgraduate Institute of Medical Sciences
Deshbandu College
East West College of Engineering & Management
Faculty of Life Sciences and Environment, Goa University
Gargi College
Gulbarga University
Guru Gobind Singh Indraprastha University
Guwahati University
Himachal Pradesh University, Summer Hill, Shimla
Indian Institute of Science
Indian Institute of Technology (IIT), Chennai
Indian Institute of Technology (IIT), Delhi
Indian Institute of Technology (IIT), Powai, Mumbai
Indian Institute of Technology Delhi
Indian Institute of Technology Guwahati
Indian Institute of Technology Madras (IITM)
Institute of Bioinformatics and Applied Biotechnology
Institute of Home Economics
Institute of Public Health & Hygiene
Ishan College of Technical Education
Jadavpur University
Jamia Hamdard University
Jawaharlal Nehru Technological University
Jawaharlal Nehru University
Kakatiya University
Karnataka University
Kurukshetra University
Manipal Academy of Higher Education
MS University of Baroda, Vadodara Gujarat
National AIDS Research Institute
National Institute of Pharmaceutical Education & Research (NIPER)
National Institute of Virology
Osmania University
Rai University
Ram Lal Anand Colleg
Serum Institute of India
Shivaji College
Sri Ramachandra Medical College & Research Institute (Deemed University)
Swami shradhanand College
University of Agricultural Sciences
University of Calicut
University of Delhi
University of Kerala
University of Madras
University of Mumbai
University of Mysore
University Of Pune, Bioinformatics Centre
Venkateshwara College