Lulu And Sky — account wrongly debit

My account wrongly debit with amount 999 by paytm upi on 13 jan 2019 but not received by the merchant yet. My transaction with upi reference number[protected] done on 13 jan 2019 was successful but not received by the merchant. As i also discussed about this by merchant they said to please check this with your bank once.
Please revert on this asap.