Civil engineering is one of the most trending engineering now. It deals with construction, environment, soils, etc. You will gain a thorough knowledge about your plants working and how to develop it.
Civil engineering has scope in government as well as in private sector. There is a good competition for government jobs and more vacancy for private sector.
Private sectors like construction management and building structures.
If you are a civil engineering in private sector you will not get a high salary at first. You need to gain a lot of experience in this field. More experience you have more salary you get.