Hello Abijith!!
1.college of engineering, pune
2.LPU
3.MIT
4.SRM
5.VIT
6.NIT,karnataka surathkal
7.Netaji Subash university of technology these are some of the best institutions for mechatronics and for more here is the list of colleges offering mechatronics just go through it:
https://engineering.careers360.com/colleges/list-of-mechatronics-engineering-colleges-in-india
Hope this would help you. Good luck!!