1 month (30 days) subscription is minimum. Monthly payment option available under the menu called ‘Classes Regular’. Discounted coupons will be available for 3 months subscriptions only – you are getting 90 days of subscription from the day of payment. However, if the classes are not started on the time of payment, subscription days will be counted from the day of class begins. It will be considered as One-Education-Year-Quarter (OEYQ).