My distance was 12.6km from karawal Nagar to ISBT which was charged Rs 8 per km from OLA mini and as per OLAs invoice, my ride timing was 5:32 pm to 6:07 pm which is 35 minutes and as per OLA rate Rs 1.1 is charged per minute. So the bill would be 12.6 x 8= Rs 100.8 and ride time 35 x 1.1= 38.5. The total amount should be 100.8+ 38.5= 139.3 and OLA has shown me 168.16 on the invoice.