Hloo Biswajit
This is the basic question that arises in every student mind before he pursues engineering
Nowadays there are ample opportunities in every field and with emergence of new streams like mechatronics and robotics in past decade the engineering is getting much more exciting
So it is totally up-to you which stream you have to study, you are passionate about what, you will be able to excel in that stream and be able to get good job