No, Its not mileage drop.. You are being cheated from Petrol Pumps !!
Do you feel that your beast is not giving you the mileage you use to get before? Yeah, that's true. You just have to care a little bit while you fill up petrol from petrol pumps, especially in peak timings. Have you ever experienced, when you ask the attendant to fill petrol for Rs.200 and he fills it...