What should I choose between IIM Sambalpur and IMT Ghaziabad?

It depends on which IMT Ghaziabad course you got. If you got the core PGDM in IMT Ghaziabad then definitely go for it. 

There are some parameters based on which you can make your choice.

1. Location - IMT Ghaziabad has an upper edge over IIM Sambalpur as Ghaziabad is near Gurgaon which is a corporate hub.
2. Brand value- IIM Sambalpur has a better brand value and image than IMT Ghaziabad.
3. Placements- Both of the colleges reported 100% placements. The average package at IIM Sambalpur was 16,63,650 LPA and the average package at IMT Ghaziabad was 19 LPA.

Overall, The choice is yours, but according to me, IMT Ghaziabad is a better choice.