OET Exam conducted at 120 locations in 46 countries 14 times in a year. In India, OET conducted in Ahmedabad, Amritsar, Bengaluru, Chandigarh, Chennai, Coimbatore, Hyderabad, Kochi, Kolkata, Mumbai, New Delhi, and Thiruvananthapuram cities only. Though OET test dates are available every month, however, candidates can only register for the OET exam for the next three test dates at a time. OET Exam scores are valid for a period of 2 years from date of Exam.