It depends on what part you are interested in
You have plenty if choices and best among them are
Ece with iot where you will be able to create a new gadget which will be able to connect over internet with other devices and them interact with other devices
This is the best option available right now outside
Just Google it and you will find all you need
All the best...!!!!

Hi Aspirant

If you are keen interested to make some wonderful gadgets then you should pursue some trainings and courses.Like you can start by learning some programming languages like C/C++ and embedded C that would be enough.Then after courses like:Robotics and Internet of things can be helpful because in these courses you will learn the demand of the industrial gadgets in today's world.You must have knowledge of Electronics ,chips, ICs,Microprocessors, Microcontroller to do what you are dreaming of.

All the best.