Airtel — very slow 4g and frequent call crack on voice service

Address:

Near Pier P1, Ganga Bridge thana, MG Setu, Hajipur, Vaishali, Bihar, 844001

Service request via ref no.[protected] for your airtel 4g voice and data service issue raised on 13 oct 19 is not being resolved by the customer care. Despite multiple (Atleast 4 to 5) complaints to airtel they are giving false assurance that service is being improved. No visit by airtel engineer for check as promised by cust care. Please help.