Which is the best college for ece?

You can consider below names -

Indian Institute of Technology Kharagpur (IIT KGP)Indian Institute of Technology Roorkee (IIT Roorkee) Birla Institute of Technology and Science (BITS-Pilani)Indian Institute of Technology - Banaras Hindu University (IIT-BHU) Indian Institute of Technology (IIT Guwahati) National Institute of Technology, Tiruchirappalli National Institute of Technology, Warangal National Institute of Technology, Surathkal Birla Institute of TechnologyJadavpur University (Faculty of Engineering & Technology) International Institute of Information Technology, Hyderabad (IIIT-H) Netaji Subhas Institute of Technology Indian Institute of Information Technology, Allahabad Motilal Nehru National Institute of Technology PSG College of Technology PEC University of TechnologyMalaviya National Institute of TechnologyVisvesvaraya National Institute of Technology Vellore Institute of Technology (VIT)Thapar UniversityNational Institute of Technology, RourkelaCollege of Engineering PuneManipal Institute of Technology, KarnatakaJawaharlal Nehru Technological University HyderabadR.V.College of EngineeringVeermata Jijabai Technological InstituteUniversity College of Engineering (Osmania University)Amrita Institute of Technology and Sciences - Tamil Nadu etc.

Hope this heps!!!