Maruti Suzuki India — I'm complaining about cheating done to us by fair deal

Address:

Ghaziabad, Uttar Pradesh, 201010

Sir i gave my new scross car for service and its ac cindiont was very good at that time bt after the service i found my cars ac is not working.fair deal service centre damaged ma cars ac for making money.they are cheaters.so please kindly help to fight against these cheaters.kindly do the needful.the service qaulity is olso very poor and they the way of talking olso