Dear Student,

You can check the top engineering colleges in TN below which provides good placements

Government

Indian Institute of Technology Madras

College of Engineering, Anna University, Chennai

National Institute of Technology Tiruchirappalli

Private

Amrita School of Engineering, Coimbatore

PSG College of Technology, Coimbatore

SASTRA University, Thanjavur

SRM University, Chennai

SSN College of Engineering, Kalavakkam

To check the complete list you can refer below link

https://engineering.careers360.com/colleges/ranking/2017/top-engineering-colleges-in-tamil-nadu

Good Luck!!