Amazon India — return not picked up yet

Website:

www.amazon.in

I had placed an order for tp-link tl-wr841n 300mbps wireless-n router order #[protected]. On creating a return request a replacement request was created and the replaced product was delivered the next day i. E.. I oct. I did not want a replaced product rather simply needed a refund. On calling the customer care on 14 oct, they created a return request for the replaced product and said that they would refund back the amount to me. I have called the amazon customer care thrice and have not received the return request id yet from then neither the pick up has been done. I will not be responsible for any delay in creating the return request. Please help.