Dual

From my opinion, both of the colleges are best. But, IPU New Delhi offers 100% placements to students. Doon Business schiol is also good, but placements given are too low. The campus and faculty of both the colleges are good. Best of luck for your future.

The admission process for this course may vary from institute to institute. Institute of Distance and Open Learning, Guwahati offers M.Sc in Economics distance learning. The candidate must have passed a Bachelor's degree under any discipline with a minimum of 50% marks in aggregate.
Thts the eligibility you need to know

Where do you wish to apply? I don't think so that it would be possible to complete the course in 3 years.

B.Tech+MBA integrated course is the best option in terms of the package. Companies prefer to have those students that have some idea about the sales and also about the market trend and only in MBA course, students get to know about this.