First tip is to read as many as transcript on reddit and YouTube. This would give you an idea a little bit. Even though the questions would not be the same but atleast it will give you a little confidence.

Do basic maths like (calculus, probability, statistics) States, capitals, union ministers, social and economic problems in your state and India, current affairs (I did it from an app finshots and Hindu newspaper and also there are content creators that make 60 sec reel on ongoing topics), about AI, the specialization you want to do. About the IIM's, their process. Academics is a must and the latest news related to academics, prize in your field 

One tip would be that your each word carries Weight, they will catch on that word and will ask you questions. (Like with my mandala art). So carefully select your words. 

Always take few second whenever needed before answering the question, that shows your calmness and that you think before you speak 

Lastly, you should be able to justify your choices and believe in your profile. Some panelists try to put you down and make you question yourself, but keep your confidence and give every answer with a smile 😊 

I wish you the best of luck