Chevrolet India — misbehavior of, staff instead resolving issue make it worse

Address: Ahmedabad, Gujarat, 380051

My self ravi from ahmadabad and i owned chevrolet beat car. As i found some issue in my car i put it in authorized service center (Gallops) in ahmadabad at s. G highway.
Instead of solving issue they made it worst and make my car more noisy, apart from that they add unnecessary charges.

Moreover the staff do not know how to treat customers, they don't even have manners how to talk, how to behave, specially employee named mr hardik is highly unprofessional.

Please look in to matter, i know chevrolet is no more in india but as we belong from chevrolet family its your responsibilities to satisfy customer.