Hello,
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Here are some of the IIT colleges in Tamil Nadu.
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Indian institute of technology Madras, Chennai
National institute of technology, Tiruchirapalli
Alameen kajanan IIT college, Tiruchirapalli
National institute of technology, puducherry
Indian institute of information technology design & manufacturer, melakottaiyur village
Amrita university, Ettimadai
Vellore institute of technology, Vellore
Bharath university, selaiyur
Karunya university, Coimbatore
SRM engineering, Chennai
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These are some of the top colleges in Tamil Nadu.
If you aren't satisfied with any of this,you have Many others to choose.
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Hope this will help you out
Thank you