Defective car delivered and poor service

I purchased a Hyundai I20 in the the year 2013 and from 1st day I had the suffer the defective AC undergoing service thrice.
I had service of clutch three times which wasn’t working at all.
The service centre was in Nilgunj road (be engal hyundai) in agarpara , beside Aryan school. They are money suckers and don’t know how even after servicing, my clutch burnt, when after two days I was going to Digha.
Hyundai cars are bogus and involve lot of unwanted servicing charges put by the engineers.
Either servicing is not done properly or the company may be providing defective clutch brakes and other items etc.,.
I am fed up.