For the NITIE GD round, you should prepare regular GD topics. Stay updated with the current happenings in Economics, Politics, and Technology. This will help you make good points during the group discussion round.
In the PI round, most questions will be on your profile. Prepare your undergraduate engineering subjects thoroughly. You can expect questions on Supply Chain and how your engineering branch and work experience are linked to Supply Chain.
There is no different GD/ PI round for the PGDPM course. The admission process of PGDIE, PGDMM, and PGDPM are the same and there is only one GD/ PI for all three.
For the preparation of GD –
For PI –
There is nothing specific about NITIE when it comes to the process. Groom yourself, improve your presentation skills, and be confident.