Hyundai Motor India — worst experirnces at service centre

I have an I20 car petrol. I took my car for normal service and tell them to check my ac as it was not working properly. they examined it and told me that cooling coil is weak and i told that to fix it. It cost me around 7000 rupees only for ac rest was different total costed me 16000 rupees after 3 days ac was not working again i again took it to Triumph Hyundai Faridabad they checked it and told me that now compressor is not woking. it will cost me 17000 rupees now. Are they making fool o[censored]s???? they only want to earn money out o[censored]s. please have eye over my matter and contact me as soon as possible my email id is [protected]@gmail.com and my mobile no is [protected].