Please visit an IOCL petrol pump for refueling and ask the attendant for the ITPS POS machine. In a case where the ITPS POS is not available, then this voucher will not be applicable. Post fueling, ask the attendant to select the IOCL pay option in the ITPS POS machine for the payment. The screen of IOCL shall be displayed, with the option to pay by entering the coupon code and mobile number. Please provide your mobile number along with a 10-digit coupon code to the attendant