Hello dear,

Best colleges for Btech in coimbatore are

P.S.G College of technology (87000)

Amrita Vishwa Vidhyapeet (125000)

C.I.T (25000)

Shri krishna college of engineering (500000

Amrita school of engineering(310000)

these are the only good colleges and the best are first two which are having quality education and placements

All the best for your future.