Yes, you can easily switch from Engineering to Management, Many of Engineer who find later that Engineering is not for them they choose to do MBA. Some of them do MBA to get a management position in the Corporate world.

Even if you think You can Go for IIM you can appear for CAT and if you have a good academic background then You will be able to get into IIMs to complete Your management studies.

Yes, you can easily switch from Engineering to Management, Many of Engineer who find later that Engineering is not for them they choose to do MBA. Some of them do MBA to get a management position in the Corporate world.

Even if you think You can Go for IIM you can appear for CAT and if you have a good academic background then You will be able to get into IIMs to complete Your management studies.

Yes Obviously you can chose MBA, it is not compulsory to do Mtech or MS after Btech(Engineering). 

The combination of an Engineering and a Management degree is considered on of the finest. 

You have a handsome Payscale, job opportunities and growth.