Civil Engineering

Both these courses are valuable. Your choice much depend on your interest.

Hi,
In India, most universities require B.Arch as eligibility for M.Arch so it would be difficult.

That entirely depends on your interest area as these are specializations and must be chosen as per Your skills, interests and personal traits. In general, environment and geotechnical both are promising.

There is no branch in mba that relates to engineering. However, operations is the closest that can relate to civil

and wt about Computer Science stdnts sir Sunil soni?

Specialisations or course in MBA depends on your area of interest. However finance or marketing is a growing trend these days.
MBA is not meant only for BBA students. Students all over the world irrespective of their courses choose MBA for safe career. So it won't be difficult for non-engineers.

Hi
I am not sure who are "they" here who mislead you. MBA in construction management is the best option for civil engineers. Read here for more:
http://www.highereducationinindia.com/career-options/careers-in-construction-management-87.php