It is a walk-in, Interview. First round is a aptitude which consist of around 8-10 questions MCQ. A combination of Technial and Aptitude.
Then next round is Group Discussion. This is where the communication and a Behaviour will be Monitored
Finally, A technical Round. This is where the Technical Pannel will interview based on your Resume and any previous experience if have.
Then they inform you like will get you an Update.
This is the interview process