Dear aspirant,

Hope you are doing well. As per your query the list of some 'A' tier colleges in India are -

IIT Madras

IIT Delhi

IIT Bombay

IIT Kanpur

IIT Kharagpur

IIT Roorkee

NIT Trichy

NITK Surathkal

Vellore Institute of Technology

NIT Rourkela

Jadavpur University

ICT Mumbai

IIEST Shibpur

Hope you find this helpful. Thank you.