State Bank Of India [SBI] — Refund issued by Myntra but not received in SBI account

I had ordered a pair of Mast and Harbour Green Flats from Myntra and paid for it. I placed a request for return and the refund was issued in 1 day after the pickup on 2nd April 2023. The refund amount is Rs.874, The amount was credited into my account but debited instantly owing to 'UPI Rev'. It has been more than 1 week and yet I haven't received my refund amount. Myntra has provided me with a reference number. Please help me to get back my refund

Reference Number[protected]
Return Number - [protected]