You can check the top colleges in Tamil Nadu for Mechatronics below

VIT University, Vellore

SRM University, Chennai

SASTRA University, Thanjavur

Thiagarajar College of Engineering, Madurai

College of Engineering, Anna University, Chennai

Anna University, Chennai 

VIT University, Chennai

To check the complete list you can refer below link

Top Mechatronics Colleges in Tamil Nadu

Good Luck!!