The names of top 50 Bachelor of Technology (B.Tech) Universities in India as you want to take admission in one of the best University only are as follows:

Indian Institute of Technology, Madras
Indian Institute of Technology, Kharagpur
Indian Institute of Technology, Kanpur
Indian Institute of Technology, Delhi
Indian Institute of Technology, Bombay
Birla Institute of Technology and Science, Pilani
Vinayaka Mission's University- Faculty of Engineering and Technology, Salem
Vels University, Chennai
PRIST University, Thanjavur
Periyar Maniammai University- School of Architecture, Engineering and Technology, Thanjavur
Noorul Islam University, Kanyakumari
Indian Maritime University, Chennai
Dr. MGR Educational and Research Institute University, Chennai
Academy of Maritime Education and Training, Kancheepuram
Indian Institute of Technology, Banaras Hindu University, Varanasi
Indian Institute of Technology, Roorkee
VIT University, Vellore
Punjab Engineering College University of Technology, Chandigarh
National Institute of Technology, Warangal
National Institute of Technology, Tiruchirappalli
National Institute of Technology, Rourkela
National Institute of Technology, Kurukshetra
National Institute of Technology, Durgapur
Maulana Azad National Institute of Technology, Bhopal
Manipal Institute of Technology, Manipal
Indian School of Mines, Dhanbad
Indian Institute of Technology, Indore
Indian Institute of Technology, Hyderabad
Indian Institute of Technology, Guwahati
Delhi Technological University, Delhi
Birla Institute of Technology, Mesra
Amrita School of Engineering, Coimbatore
Visvesvaraya National Institute of Technology, Nagpur
SRM University- College of Engineering, Chennai
Sardar Vallabhbhai National Institute of Technology, Surat
Netaji Subhas Institute of Technology, Delhi
National Institute of Technology, Surathkal
National Institute of Technology, Jamshedpur
National Institute of Technology, Delhi
National Institute of Technology, Calicut
Motilal Nehru National Institute of Technology, Allahabad
International Institute of Information Technology, Hyderabad
Indian Institute of Technology, Jodhpur
Indian Institute of Technology, Gandhinagar
Indian Institute of Technology, Bhubaneswar
Indian Institute of Information Technology, Allahabad
Dr B R Ambedkar National Institute of Technology, Jalandhar
Thapar University- Faculty of Engineering, Patiala
National Institute of Technology, Hamirpur
Indian Institute of Technology, Patna