As you want to get the details of career or jobs after M.Tech in Biotechnology and the list of some of the best colleges of M.Tech in Biotechnology so here is the information of the same for you:

M.Tech. Biotechnology Employment Areas

Teaching Institutions
Space Research Organization
Software Design
Pharmaceuticals
Quality Testing Laboratories
Power Plants
Oil Exploration and Refining
Housing & Urban Development
Electronics Manufacturers
Defence Services
Consultancy Firms
Chemical Industries
Automobile Industry

M.Tech. Biotechnology Job Types

Verification Engineer
Mechanical Design Engineer
Registered Engineering Technician
Researcher
Junior Engineer
Electrical Product Design Engineer
Product Development Engineer
Executive Engineer
Engineering Technologist
Development and Test Engineer
Chief Engineer
Assistant Engineer
Director - Public Work

List of colleges:
Shridevi Institute of Engineering Technology , Tumkur - Master of Technology in Biotechnology
Madhav Institute of Technology and Science - Master of Technology in Biotechnology
CMR College of Engineering and Technology - Master of Technology in Bio Technology
Gandhi Institute of Technology and Management, Visakhapatnam - Master of Technology in Biotechnology
University Institute of Engineering & Technology, Kurukshetra (UIET) - Master of Technology in Bio-Technology
VIT University (VIT), Vellore - Master of Technology in Bio Technology
Narendra Deva University of Agriculture & Technology - Master of Technology in Biotechnology
SRM Institute of Science & Technology - Chennai - Master of Technology in Biotechnology
S.R.M Institute of Science and Technology - Master of Technology in Bio Technology
Sathyabama University, Chennai - Master of Technology in BioTechnology
Institue of Science and Technology - Master of Technology in BioTechnology
Anna University of Technology, Chennai - Master of Technology in Biotechnology
Institute of Information and Communication Technology - Faridabad - Master Of Technology In Bio-Technology
Integral University - Master of Technology in Biotechnology
University of Hyderabad - Master of Technology in Medical Biotechnology
Ambala College of Engineering and Applied Research, Ambala (ACEAR) - Master of Technology in Biotechnology
Institute of Foreign Trade and Management University - Master of Technology in Biotechnology
Institute of Biomedical Education & Research, Mangalayatan University - Dual Degree in B Tech(Biotech) & M Tech(Biotech)
Shobhit University, School of Biotechnology (SBT) - Master of Technology in Biotechnology
College of Engineering And Technology - Bhubaneswar - Master of Technology in Biotechnology
Karpagam University - Master of Biotechnology
Sri Venkateswara College of Engineering - Master of Technology in Bio Technology
Aarupadai Veedu Institute of Technology - Master of Technology in Biotechnology
Bannari Amman Institute of Technology - Master of Technology in Biotechnology
Heritage Institute of Technology - Master of Technology in Biotechnology
Dr. D. Y. Patil Vidyapeeth (DPU), Pune - Master Of Technology In Biotechnology
MITS Group of Institutions - M.Tech in Biotechnology
Manav Rachna College of Engineering - Master Of Technology In Bio-Technology Engineering
Anna University of Technology, Tirunelveli - Master of Technology in Biotechnology
Anna University, Chennai - Master of Technology in Biotechnology
Shobhit University - Master of Technology in Biotechnology
IMS Engineering College - Master of Technology in Biotechnology
Maharishi Markandeshwar Engineering College - Master of Technology in Bio Technology
National Institute of Technology, Durgapur (NITD) - Master of Technology in Biotechnology
Maharishi Markandeshwar University, Mullana - Master Of Technology In Bio-Technology
Punjab Technical University (PTU), Jalandhar - Master of Technology in Biotechnology
Manav Bharti University - Master of Technology in Biotechnology
Alagappa College Of Technology, Chennai - Master of Technology in Biotechnology
KL University - Master of Technology in Bio-Technology
Shobhit University, School of Biotechnology (SBT) - Dual Degree - B.Tech. + M. Tech in Biotechnology
Birla Institute of Technology, Mesra - Master of Technology in Biotechnology
Devineni Venkata Ramana & Dr. Hima Sekher MIC College of Technology - Master of Technology in Bio-Technology
Kurukshetra University, Kurukshetra - Master of Technology in Bio-Technology Engineering
Gautam Buddha University, School of Biotechnology - Master of Technology in Biotechnology
Sri Indu College of Engineering & Technology - Master of Technology in Bio Technology
Department of Biotechnology and Bioinformatics, Padmashree Dr.D.Y.Patil University - Master of Technology in Biotechnology
Kumaraguru College of Technology - Master of Technology in Bio-Technology
National Institute of Technology, Rourkela - Master of Technology in Biotechnology
Rajiv Gandhi Proudyogiki Vishwavidyalaya - Master of Technology in Biotechnology
KCT Engineering College - Master of Technology in Bio-Technology
University College of Technology, Osmania University - Master of Technology in Bio-Chemical Engineering and Bio-Technology
Joginpally B.R. Engineering College - Master of Technology in Biotechnology
Sathyabama University, Chennai - Master of Technology in BioTechnology
Rajalakshmi Engineering College - Master of Technology in Bio-Technology
Institute of Engineering & Technology, Lucknow - Master Of Technology In Bio-Technology
Integral University - Master of Technology in Biotechnology
SRM University - Kanchipuram - Master of Technology in Biotechnology
VIT School of Bio Sciences and Technology, Vellore - Master of Technology in Biotechnology
Jaypee University of Information Technology - Master of Technology In Bio-Technology
SCMS Institute for Biosciences & Biotech Research and Development - Master of Technology in Bio-Technology
Gautam Buddha University, School of Biotechnology - Bachelor of Technology in Biotechnology + M. Tech / MBA
Bengal College of Engineering and Technology - Master of Technology in Bio - Technology
Maharishi Markandeshwar Engineering College - Master of Technology in Bio Technology
College of Engineering-Andhra University, Visakhapatnam - Master of Technology in Bio-Technology
Indian Institute of Technology, Kharagpur (IIT K) - Master of Technology in Biotechnology and Biochemical Engg.
Prist University, Thanjavur - Master of Technology in Biotechnology
Institute of Biomedical Education & Research, Mangalayatan University - Master of Technology in Biotechnology
National Institute of Technology, Rourkela - Master of Technology in Biotechnology (Research)
Haldia Institute of Technology - Master of Technology in Biotechnology
Bharathidasan University, Tiruchirapalli - Integrated Master of Technology in Bio-technology
Jaypee Institute of Information Technology - Master of Technology in Biotechnology
Maharishi Markandeshwar Engineering College, Ambala - Master Of Technology In Bio-Technology
Sri Jayachamarajendra College Of Engineering - Master of Technology in Bio-Technology
Amity Institute of Biotechnology - Master of Technology in Biotechnology
Biju Patnaik University of Technology - Master Of Technology In Biotechnology
Siksha O Anusandhan University - Master of Technology in Bio-Technology
Acharya Institute of Technology - Master of Technology in Biotechnology
Acharya Institutes, Bangalore - Master of Technology in Biotechnology
Anna University Chennai Regional Office, Tiruchirappalli - Master of Technology in Biotechnology
School of Biotechnology & Health Sciences, Karunya University - Maaster of Technology in Biotechnology
Acharya Nagarjuna University College of Science - Master of Technology in Biotechnology
Guru Gobind Singh Indraprastha University - Master of Technology in Biotechnology
R.V. College of Engineering - Master of Technology in Biotechnology
TKR College of Engineering and Technology - Master of Technology in Bio-Technology
Indian Institute of Technology,Guwahati (IIT G) - Master of Technology in Biotechnology
College of Biotechnology & Allied Science - M.Tech
Arulmigu Kalasalingam College of Engineering - Master of Technology in Biotechnology
Jawaharlal Nehru Technological University, Kakinada - Master of Technology in Bio Technology
Anna University of Technology, Madurai - Master of Technology in Biotechnology
Arulmigu Kalasalingam College of Engineering - Master of Technology in Pharmaceutical Biotechnology
Kalasalingam University - Master of Technology in BioTechnology
College of Engineering, Guindy - Master of Technology in Biotechnology