B.Tech Robotics

Placements are good in Parul university and average package will be 5 LPA

Here are some colleges in Tamil Nadu:
PSG College of Technology - PSGCT. Karunya Institute of Technology and Sciences. SRM Easwari Engineering College, Chennai. Sri Ramakrishna Engineering College. Vel Tech Multi Tech Dr. Rangarajan Dr. Sakunthala Engineering College.

Some of the best colleges in Bangalore for B.E Robotics.
Acharya Institute of Technology.
Adichunchanagiri Institute of Technology.
Atria Institute of Technology.
Bangalore College of Engineering & Technology. Bangalore Technological Institute.
Basava Academy of Engineering.
BMS College of Engineering.
Brindavan College of Engineering.

The best college for B.Tech in robotics all over the world are
University of Pennsylvania.
New York University.
Carnegie Mellon University.
The University of Michigan, Ann Arbor.
Johns Hopkins University.
University of Washington-Seattle Campus.

Hello Yerik, studying in Canada is very good idea. It's English language speaking country and you will not have any problem. However getting admission there does not depend only on academic performance but depends on many levels. Hence I would like to advise you to approach an agency that is dealing with sending students to Canada. Best wishes to you.

No one Universities in India are offering B.E. /B.Tech in Robotics through distance mode. Doing distance mode B.E. / B.Tech in India is not valid as per UGC guidelines for employment and higher education purpose. So avoid to do this.

Yes as per your marks in JEE Mains, you do have a strong chance to get admission in NIT. As you have OCB-NCL Certificate then you can easily get NITs or any other best B.Tech college.