For PG Diploma course, at the end of the course, viva voice examination will be conducted. If missed due to unavoidable circumstances, it can be attended on the viva day of another batch/course. In any way, viva should be attended within 30 days from the last day of the course.
It is a private one-on-one viva voice examination. For online courses, it will happen via Whatsapp video call/google meet.