Dont buy hyundai petrol cars

I bought this car on 16-6-17 after compled few kms its ac was stopped working then i went to dealer they took 2 days to repair my ac then after I drive 200 kms they again gave me problem and this time its cooled box is stop working also and now my car is on workshop. And fuel economy in city is also very bad it give me 9 to 10 average and on highway 14 to 15 only plz carwale help me what can i do plsss.