Myntra.com — refund not credited return number: [protected]

I purchased 3075/- rs item on 1st feb 2020 and returned 1 item rs. 1379/- on 6th feb 2020 but refund not credited in my account.
On 7th 2020 i got message
Return request processed
Refund has been initiated

Return number: [protected]

Refund amount : rs. 1379.00

But till today i am waiting for refund amount.

My hdfc bank and google pay bot are not able to recognize the return reference number.

Pls help.