Here are some of the colleges given below you can prfer for M.tech programme-
Indian Institute of Technology Madras
National Institute of Technology Tiruchirappalli
PSG College of Technology, Coimbatore
Amrita School of Engineering, Coimbatore
You can check the further colleges with the given below link.
https://engineering.careers360.com/colleges/list-of-me-mtech-colleges-in-tamil-nadu
Good Luck!
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