Oyo Rooms — Refund initiated but not received

Booking I'd:MC2L3955
Booking name:Vamshi
Booked an Oyo hotel from 26 nov to 29th nov..
The hotel has not accepted the check-in and refund was initiated, but we haven't got any refund amount, multiple refund intitated in a period of one and half month, later we got a mail refund amount of Rs:9266 is successful with bank reference number- is[protected], we have checked with the kotak bank after 7-14 days as mentioned for which it has intitated, but their isn't any transaction with that reference number .Whom do we trust on and what should be done to get the refund.