Airtel — no signal bars inside house at my residence

Address:

Agra, Uttar Pradesh, 282002

Sir, i hsve airtel post paid connection [protected]. I am facing network problem at my residence address 3 nehru nagar, agra. 282002. Specially inside my residence.in open everything works very well, but as i get inside i loose all signal bars. Even though the tower location as per your website shows few meters away from my house, but i cant use data and also no network inside my house.
Kindly look into the matter. Thanks