Cherrinet — Not received refund even no response after 3 months

Have requested for Refund after submitting the modem and received reply back saying Received your bank details and Refund process it will take 30 TO 45 working days.

Now it is more than 3 months and no reply from them even following back using the email [protected]@cherrinet.in.

Refund reference: Refund _ 10004739

Have shared bank details requested and copy of the modem receipt.