Engineering is the application of mathematics, empirical evidence and scientific, economic, social, and practical knowledge in order to invent, innovate, design, build, maintain, research, and improve structures, machines, tools, systems, components, materials, and processes.

As per your demand here I am providing you Rank list of the Top IIT, NIT and IIIT

List of Top IIT Colleges in India
-IIT – Indian Institute of Technology, Kanpur.
-IIT – Indian Institute of Technology, Delhi.
-IIT – Indian Institute of Technology, Kharagpur.
-IIT – Indian Institute of Technology, Rorkee.
-IIT – Indian Institute of Technology, Chennai.

List of Top NIT Colleges in India
-NIT, National Institute of Technology, Warangal (Andhra Pradesh)
-NIT, National Institute of Technology, Tiruchirapalli (Tamil Nadu)
-NIT, National Institute of Technology, Surathkal, Mangalore (Karnataka)
-NIT, Motilal Nehru National Institute of Technology, Allahabad (U.P.)
-NIT, National Institute of Technology, Rourkela (Orissa)
-NIT, National Institute of Technology, Delhi
-NIT, Malviya National Institute of Technology, Jaipur (Rajasthan)
-NIT, National Institute of Technology, Calicut (Kerela)
-NIT, National Institute of Technology, Kurukshetra (Haryana)
-NIT, Visvesvaraya National Institute of Technology, Nagpur (Maharashtra)

List of Top IIIT Colleges in India
-Indian Institute of Information Technology – (IIIT), Jhalwa
-Indian Institute of Information Technology, Design and Manufacturing – (IIIT), Jabalpur
-Indian Institute of Information Technology and Management – (IIIT), Gwalior
-Indian Institute of Information Technology Design & Manufacturing – (IIIT), Kancheepuram
-Indian Institute of Information Technology – (IIIT), Sri City
-Indian Institute of Information Technology – (IIIT), Guwahati
-Indian Institute of Information Technology – (IIIT), Kota
-Indian Institute of Information Technology – (IIIT), Vadodara
-Indian Institute of Information Technology and Management – (IIIT), Kerala
-Indian Institute of Information Technology – (IIIT), Trichy
-Indian Institute of Information Technology – (IIIT), Kalyani