Hey Rahul! Opting for MBA courses after civil engineering is a good option. After earning this degree in relatable field , you will be able to tackle technological ideas . It will redirect your career growth in a company way. After civil engineering , you can do an MBA course in following specializations :

• Construction management
• Project management
• Infrastructure management

And the best colleges offering MBA in these specializations,are  IIT DELHI , IIT MADRAS , NICMAR , GICMAR.

So , you must go for any of these.

Hope it helps!