Hi there,

Some of best engineering colleges in South India are following:

Indian Institute of Technology, Madras

Indian institute of Technology, Hyderabad

National Institute of Technology, tiruchirappali

National Institute of Technology, Surathkal

National Institute of Technology, warangul

National Institute of Technology Calicut

Vellore Institute of Technology, Vellore

For more details follow this link: https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-india

Hope it helps you

Good luck!