The minimum package offered to the MBA graduates is not revealed by any of the institutes in their placement reports. The only way to get that is to talk through students who can say through their experience which may or may not be accurate. 

The table below will however give you the highlights of the placement process conducted by each of these institutes for their MBA batches of 2018-20.

Based on these statistics, you can get a fair bit of idea of the salaries to expect from these institutes and will help you to set your expectations.