To qualify for the refund you must complete 90% of the course content within 90 days from the date of purchase. The content you have to cover in each section of the course is as follows:Chapter & Practice: 90% including Videos, Articles, Problems and QuizContest: You need to solve at least 90% of the ContestsLive Class: 90% attendance in each class throughout the complete CourseSecure the Course certificate by achieving the cut-off Scores