Hai jithesh

Mechatronics engineering is a combination of mechanical engineering,electronics engineering and mathematics.
Also computer science engineering.

mechatronics study deals modelling, real-time computer interfacing, sensors, controllers and actuators

For that you need a basic understanding skill about mathematics and physics.

https://www.careers360.com/mechatronics-engineering-course

Robotics

Robotics engineering is to study about construction, design , application and operation of Robotics.
It's also a combination of mechanical and electrical engineering.

Analyse on yourself,  which is suits for you

Hope it's useful for you