Dear Aspirant,

All these branches are interdisciplinary  and interdependent for robotics and automation field.Knowledge of all these branches is used and required in automation and robotics.Also there are institutes/colleges which offer special B.Tech programme in Robotics and automation

You can use careers360 Career guidance tool-

https://learn.careers360.com/mcmf/

Find more about Robotics & Automation Here:

https://www.careers360.com/courses/automation-and-robotics-course