Please read the subscription terms and conditions carefully before selecting any of the courses, as once you have purchased a Course you cannot change, or cancel it. Once you purchase and make the required payment, it shall be final and there cannot be any changes or modifications to the same and neither will there be any refund. In Case  you wrong Product Receive you may notify  within 3 working days from the delivery. We will replace the defective product with a brand new product at no extra cost. However, we will not return the book or replace with other book you want to order. Damages due to normal wear & tear and negligence on part of the customer is not returnable at all. Courier charges in this case will be beared by us. Customer will get a hassle free replacement in this case. Where to notify, in case of problems with an order? In case of any problem in the order, you can mail us at sei.kkr@gmail.com we will try to revert you with the solution within 24 hours of your mail.