1st round was Aptitude based on grammar logical reasoning and verbal reasoning.2nd round was Face to Face interview where question on clinical trial process, phases, clinical data management, query, gcp, prinicples of cdm were asked. Final round was HR round just introduction, why u need to join this company and some non-technical questions were asked to see our confidence and communication. After few days Virtual round was there.

Just basic questions, Bpo kind of Job,No special skill required. They'll hire you if they feel like. Don't be over smart during the interview they want people who can do odd jobs.