Amazon India — When will I get my refund

My amazon order id #[protected]
Was cancelled on 26th september
Its has been 18 days till now and i still did not receive the refund i contacted amazon customer service and they told me that my refund has been initiated on 26th itself
But i still didnot receive the refund yet nor the rrn number
I have been contacting amazon since the past 2 weeks for the RRN but still i did not receive and all they are doing is telling me to wait for 3 days please its my request to resolve this issue the amout is not small it is 24000
I did not even receive the email of refund