The best M.Tech colleges in India are:

1. IITs (Indian Institutes of Technology) – Top Choices

IIT Bombay

IIT Delhi

IIT Madras

IIT Kanpur

IIT Kharagpur

2. NITs (National Institutes of Technology) – Good Alternatives

NIT Trichy

NIT Surathkal

NIT Warangal

NIT Rourkela

3. IIITs & Other Top Institutes

IIIT Hyderabad (Best for CS & AI)

IISc Bangalore (Best for Research)

BITS Pilani (Private, but excellent faculty & placements)

For admission, GATE is the primary entrance exam.