Hii suriyan,

It solely depends on your choice and dreams.What are you dreaming to achieve??what are your career interests???                          If you can answer the above two questions then you will get the answer for your question.

I will tell you some career options which you can opt after your graduation with respect to the stream

If your dream is to be a software Engineer, Interested in computers then without any doubt Opt the Computer Science department.Through this department there has been a greater scope to earn more as well as learn.

If you are interested towards the designing of Cars,Bikes and other automotives.Mechanical Engineering will help you.It is a very good branch and has good scope.you can choose ECE/EEE if you are interested towards the circuits and Electrical systems.

Comment below for further information.

Thank you.