Billdesk — amount deducted although transaction failed

Address:	530044
Website:	bill desk through apepdcl

Today during paying my electricity bill an amount of rs 759 was deducted from my canara bank account and i paid through my debit card but the transaction failed. It doesnt refund back i want bill desk team to please take a look in to the matter and verify it and please refund the amount and i am ready to assist you with any information you require and i am providing my contact number below
I was paying bill for consumer no - (Apepdcl) [protected]
Bank-canara bank
Amount-759
Time - around 5 pm
Phone no-[protected]