Airtel — network coverage problem issue

Address:

600078

Dear sir/mam,
Last 3 month network coverage problem location for (1st sector, 1st street, kk Nagar, Chennai). i am contact for customer care complaint registered for 4 days not response.I had rechage the unlimited pack in regular customer but i unable to use network issue wast my money worst network.Will you pls solve the problem.If not response means i consult the customer complaint court.