Hi Deepak,

Civil engineering is a type of engineering  in which the work is related to the construction for example:- making bridge, making road, build houses and buildings and many more construction are came under it.

Eligibility to became a civil engineer is that you have to give an exam of Jee or any other private university that allow to doing B-tech from their university. You give that exam with the 12th class or just after the 12th class.

Hope this information is helpful for you.

Good Luck!!