Billdesk — i have paid my electricity bill to wbsedcl.. but transaction is showing successful but not received by biller, showing failed status,

Address:

Suranankar,panskura(r.s),east midnapur,west bengal...pin-721152

I have paid my electricity bill to wbsedcl..but transaction is showing succesfull(on 29/08/2021) butnot received by biller, showing failed status, on wbsedcl website, I want refund.
Transaction id-T2108291910592106484040
Order id-WPHW[protected]
AMONT- Rs.7, 268