Hey Yash ,
Good to know you sound interested in mechatronics engineering . It's a interesting field combining technology of mechanical engineering , computer engineering , telecommunications and electronic engineering .  Probably it sounds more of a cool stuff to deal with robots and smart machines . As per your query here are some of the top colleges that provide the course if mechatronics .
1. Manipal University , stands as one of the best colleges for this new course .
2. Aarupadai Verdi institute of technology , Kanchipuram , Chennai .
Entrance exam - AICE
Fees - 40000-50000
3 . Acharya institute of technology , soladevanahalli , Bangalore .
Entrance exam - CMAT , KMAT , PGCET , CET , GATE , MAT, PGCET ,comes K .
Fees - 300000
4 . Akshaya college of engineering and technology , Coimbatore .
Entrance exam - TANCET
Fees - 70000-100000
5 . AR college of engineering and technology , Tirunelveli .
Entrance exam - AIEEE Advance , TANCET
Fees- 40000
6 . Archana institute of technology , Krishnagiri
Affiliation with Anna University .
7 . Asia pasific institute of information technology , Panipat 
Entrance exam - AIEEE Advance
Fees- 66400
8 . Bannari Amman institute of technology , erode
Entrance exam - TANCET
Fees- 40000-59000
9 . Bharath engineering college, Chennai .
Entrance exam- GATE , NATA
Fees- 50000-125000

Apart from these colleges there are other top.colleged you can choose from .

10 . ICFAI University , Dehradun
11. Madras institute of technology , Chennai
12. KL University, Guntur
13 . IITDM , Jabalpur
14 . Mahatma Gandhi institute of technology , Hyderabad .
15 . SRM University, Chennai
16 . MIT world peace University , Pune
17 . SASTRA University , Thanjavur
18 . IIEST , West Bengal .
19 . Kalinga institute of technology , Odisha
20 . Thapar University , Punjab .

Recently this course has taken all the buzz . This upcoming course has dragged attention and thereby many top universities have come up with booming opportunities in this sector for applicant . From all the universities, Manipal University stands out , giving an international engineering degree . The university promotes a 4 year degree course along with a international degree . The ICAS ( international veneer for applied sciences ) has provided a international transfer programme , affiliated to Manipal University . This helps student transfer to any of the foregin universities at the end of second year .

hello Yash,

here is the some best mechatronics colleges in india-

• Sri krishna college of Engineering and technology , coimbatore.
• Madras institute of technology , chennai.
• Bannari amman Institute of Technology , coimbatore.
• Hindustan institute of Technology and science, chennai.
• Lovely professional university ,chennai.
• ICFAI university ,dehradun.

for more details, click the link and visit to the given link-

https://engineering.careers360.com/colleges/list-of-mechatronics-engineering-colleges-in-india

Thank You.