There was only one round in the selection process, which consisted of a personal interview. It was mainly an HR interview with a couple of technical questions.
I was asked to introduce myself, and why and how I chose core Chemical engineering as my interest. They asked me about my favourite subjects, and was told to explain the applications of those subjects in the room we were sitting in. They then asked is there anything I would like to share with them, I spoke about my personality and how I would be a right fit for their organisation.
It was a short interview, so you have to be clear and concise in your thoughts and answers.
Read up about the organisation, what they do, what they believe in, how are they innovating etc. it will help to be at ease during the interview.