With the oil marketing companies discontinuing to pay the incentive of 0.75 per cent while buying fuel via any digital mode at petrol pumps, state-owned Punjab National Bank NSE 0.17 % has stopped passing on the benefit to its customers. The city-headquartered Punjab National Bank (PNB NSE 0.17 %) discontinued to pass on the benefit from last month, citing that the facility has been withdrawn by the OMCs (Oil Marketing Companies).