Hello Rahul, colleges That allow lateral entry are:

1. ICFAI University, Dehradun

2. ITM Vocational University, Vadodara

3. SASTRA University, Thanjavur

4. SNS College of Technology, Coimbatore

5. Manipal Institute of Technology

List of Some more college that provides Mechatronics engineering but for the lateral entry you can contact them

https://www.collegedekho.com/engineering/mechatronics-colleges-in-india/

All the best