Apply online (on their company website) followed by Telephonic Interview(can happen from the base location you choose) followed by Ideathon(test run of how you will be dealing with a social challenge in office) followed by Offer letter (sent once you are selected)

It was a smooth process. The recruiter was patient asked about my previous experience and how this internship will provide value addition to my career. Looking forward to joining and working towards the betterment of society.