Can I pursue MBA after completing Bachelors in civil engineering?

Masters in any thing has much more scope and it increases your knowledge in that particular field as well. But, it matters only if you really have interest in doing MBA after completing engineering. By doing MBA from top colleges, you can directly become assistant manager. So you'll be having great

Yes, you can pursue MBA according to your interest.

You can pursue any MBA specialization based on your interests and preferences.