Disappointed with nexon car in just few month

Too much disappointed with your each and every service centre bcz they don't anything about this Nexon car I had done only 2 service till now and every time after servicing the car I faced problem sometime my car didn't stop sometime it's smell like burning and after 1 day of service voice alert started in the car which remind us to visit the nearest branch service due just after 1 day how???? Where is your best service centre in mumbai western suburb plz let us know or else you guys just take your car return.