Dear Student,

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

National Institute of Technology Karnataka Surathkal

VIT University, Vellore

SRM University, Chennai

Manipal Institute of Technology, Manipal

SASTRA University, Thanjavur

Thiagarajar College of Engineering, Madurai

To check the complete list you can refer below link

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-India?f%5B0%5D=sm_college_course_level%3AUG&f%5B1%5D=sm_college_degree%3AB.E%20/Btech&f%5B2%5D=sm_college_state%3AKarnataka&f%5B3%5D=sm_college_state%3ATamil%20Nadu&f%5B4%5D=sm_course_offered%3AMechatronics%20Engineering

Good Luck!!