Airtel — 4g speed network problem

Address:

Azamgarh, Uttar Pradesh, 273301

In our locality prtawal chow dist-mharajganj here is not working properly our 4g speed in my personal home we have 4 airtel sim we are your older user but due to this problem we think that we all stop to using your network if you will solve this problem soon then we will use other wise we will no option to use airtel network please solve fast.
Thanks
Shaan