Hyundai Motor India — About My 2012 model i20

Address: Ernakulam, Kerala

I have owned an i20 from August 1st 2014. It is now in 6 th Month which I owned. My complaint is about Mileage of the car. The company states the car have the fuel economy of 18 kmpl. 15 kmpl in city. But the fact i getting only 9 kmpl even in long drive. My car model Magna option petrol. I purchase this car from MGF Hyundai Ernakulam Showroom. I want an immediate action from your side, because I have paid the full amount for purchasing the car. So i have the right to use all of it's advantages of the car. Please find a solution in this problem.