MyTVS — Service not done properly

Address:

Plot No 6 Flat No S1 RKN Hanumantha Appartment Prem Nagar Kambar Street

I have done service last month peridicol maintenance they told interior vaccum ac air filter cleaning oil filter replacement but nothing has done properly they are not responding properly very worst service I have complaint already through what's app and this complaint forum also but here I have not get response