Amazon India — refund issue/ not refunded money

Website:

www.amazon.in

I had purchased a philips hr2775 1 litre 25 watt (White) on 23 august 2017 and product was delivered on 25 august 2017.
My payment mod was cod but due to some problem i applied for return/refund.
I choose amazon pay balance for refund amount. Amazon boy was picked the product on 11 sep 2017 on calling customer care. My order no. Is #[protected].
Amazon app is showing refund has been issued but my amazon pay balance is rs.0. Amount was refunded to my amazon pay balance.
I request amazon india to resolve this issue as soon as possible.
Pls refund my money.
Order date 23 aug 2017
Order no. #[protected]
Mobile no. [protected]