Canara Bank — amt debited but not credited to payee's account

Transactions vide upi reference nos[protected], 42 and 48 in a consecutive order were done on[protected]. The em power application showed failure status. Rs. 18000/- (Rs 6000/- per transaction) were debited to my canara bank savings a/c but not credited to the payee's a/c. The sum of rs. 18000/- has not been refunded to the source a/c either. Pl help.