No, you are not eligible to do M.Tech (Mechanical) engineering course with the B.Tech (ECE) course.

After completing B.Tech (ECE) course you can choose M.Tech (Mechanical) engineering course.


List of colleges for M.Tech (Mechanical) engineering:

National Institute of Technology, Tiruchirappalli
Birla Institute of Technology and Science (BITS-Pilani)
Jawaharlal Nehru Technological University, Kakinada
Indian Institute of Technology - Banaras Hindu University (IIT-BHU)
Indian Institute of Technology Madras (IIT Madras)
Sri Sivasubramaniya Nadar College of Engineering - Tamil Nadu
R.V.College of Engineering
National Institute of Technology, Jamshedpur
PEC University of Technology
Chaitanya Bharathi Institute of Technology
The Icfai Institute Of Science & Technology
University Institute of Engineering & Technology
Motilal Nehru National Institute of Technology
College of Engineering Trivandrum
Bangalore Institute of Technology
PSG College of Technology
Birla Institute of Technology..
Vellore Institute of Technology (VIT)
National Institute of Technology, Patna
P.E.S. College of Engineering
Visvesvaraya National Institute of Technology
Manipal Institute of Technology, Karnataka
Malaviya National Institute of Technology
University College of Engineering (Osmania University)
Sardar Vallabhbhai National Institute of Technology
Thapar University
Maharashtra Institute of Technology
Maulana Azad National Institute of Technology
Indian Institute of Technology Delhi (IIT Delhi)
Indian Institute of Technology Bombay (IIT Bombay)
BIT Sindri
National Institute of Technology, Raipur
Amrita Institute of Technology and Sciences - Tamil Nadu
National Institute of Technology, Hamirpur
National Institute of Technology, Durgapur
Coimbatore Institute of Technology (CIT)
Indian Institute of Technology Kanpur (IIT Kanpur)
National Institute of Technology, Surathkal
College of Engineering Pune
Amity School of Engineering and Technology
Indian Institute of Technology (IIT Guwahati)
Jadavpur University (Faculty of Engineering & Technology)
Indian Institute of Technology Roorkee (IIT Roorkee)
Sardar Patel College of Engineering
Veermata Jijabai Technological Institute
Nirma University - Institute of Technology
Indian School of Mines (ISM)
Bengal Engineering and Science University
Thaigarajar College of Engineering
University Visvesvaraya College of Engineering - Karnataka
SASTRA University
BMS College of Engineering
National Institute of Engineering, Mysore
Shri Ramdeobaba College of Engineering and Management