Ola Cabs / Ani Technologies — Driver took cash payment and my wallet was also deducted for same ride

I booked an Ola ride from Pune to Ahmednagar on 30th May for my Sister in law. (CRN [protected])
I chose an option to pay in cash at end of the ride.
When the ride was completed, the driver took Rs 3537 in cash from my sister in law.
My paytm wallet shows following entries on 30th May-
1. Rs 3167 put on hold for order at ANI Technologies Pvt Ltd. at 8.01 am
2. Rs 3167 on hold released by ANI Technologies Pvt Ltd at 11.21 am
3. Rs 3167 paid to ANI Technologies Pvt Ltd. at 11.21 am
4. Rs 371 paid to ANI Technologies Pvt Ltd at 11.21 am
Net Rs 3538 of payment was deducted from my wallet, in addition to the cash Rs 3537 payment made to the driver.
The bill for the ride as per the app is Rs3538.
I requested Ola support through the app to refund me Rs 3538, but they refused.