It was good
They will help you to get the answer they want
They are trying to see if u have a good understanding of your topics not how well you can memorize them.
I interviewed at Indian Institute of Science (Bengaluru)
Interview
The shortlisted candidates is directed to a two phase interview. First interview with general question about your topic of interest. The selected candidates from there gets the second interview with the professor with the project interest you have.
Interview questions [1]
Question 1
An experiment method to measure activation energy?
I applied online. I interviewed at Indian Institute of Science
Interview
They will ask about your interested topic and ask questions about what you say. The shortlisted students from the first interview will enter to the second interview for project discussion.
Interview questions [1]
Question 1
Give an experiment method to find the Arrhenius constant from the Arrhenius equation.