If all the 4 positions in your sequence match, you will earn 200ml Park+ Petrol. Even if 2 or 3 positions in your sequence match, you will still win a certain amount of Park+ Petrol. Once you reach 5 It Park+ Petrol, you can pick a date to convert it in to an IndianOil petrol voucher. You will get a discount of 7500 on a purchase of 20 Its. petrol via Park+