Myntra.com — refund not transfer to account

Myntra.com — refund not received by myntra
Return number: [protected]
Refund amount: Rs. 909.00
I have returned a product for which refund is initiated by myntra and they provided me a reference number but still the amount is not reflecting in my bank account and they said that there is no such process.
Reference number is of no use as bank can't check through that.
Bank says to contact myntra for this and myntra says to contact bank.
I am unable to understand what to do...