What I do prepared for PI WAT round in symboisis international University
You have to be very good in basic topics like Introduction about self, your academics, your school and college life, lessons, and some other PI/WATtopics like:
Hard work or Smart work
Indian History
Business and economy
Social Issues
and be prepared for abstract topics like Gender Bias etc..
Personal Interview stresses on the following areas:
Goal Clarity
Knowledge
Communication Skills
Personality traits
It is important to know why MBA is important to you so be prepared with these.
Hope this helps.