Apply to the job. After the screening of profile they ask for a video interview, the questions are predefined. You have to answer quickly within the timeframe. So be prepared. Then group discussion and Personal Interview and final selection
I applied online. The process took 2 weeks. I interviewed at Aditya Birla Group (New Delhi) in Dec 2015
Interview
telephonic and video conferencing interview after than HR round and then joining. In telephonic interview you have to tell about your current profile and how you are going to upgrade yourself.
I applied through college or university. The process took 2 days. I interviewed at Aditya Birla Group (Mumbai) in Dec 2016
Interview
it was a very rigorous process. there are many stages in selection process. the process end with a final interview which is generally preceeded my 3-4 stages of selection procedure