OLA - Ola charged me twice

I had selected Gpay as the mode of payment. On my way I paid via GPay but no confirmation was shown in the OLA app but GPay had processed the transaction and the amount had been debited from my bank account and credited to Ola cabs but upon reaching the destination, the drives flashes his screen at me showing that they need to pay the amount in cash despite my payment confirmation shown in the GPay app. But this constantly lagging Ola app shows no record if my GPay transaction