The way e-commerce in India works is different than in other high-economy countries. Indian E-commerce businesses require Cash On Delivery Enabled because most people don't use pre-paid methods or they fail to trust a business. They prefer COD, that becomes fhe root cause of RTO (Return To Origan: when a product is shipped out but the customer refuses to accept and it returns to the sender)
This video gives you a process or tip to decrease the number of RTOs in your E-commerce Business.