Which is the best stream of engineering?

Computer Science and information technology is the best in terms of placements.

Well, the most preferred thing in engineering today is IT industry, but to pursue a full time career in IT industry to need to be professional in all respects and that demands a lot of passion. You should be a developer more than just an IT slave. If you are good at developing means that you need to

Try to choose the field in which you love to work and you have very much interest in it with curiosity, it will be best field for you in every terms.