Airtel — 4g signal issue

Address:

Chandigarh, Punjab, 160036

I am living in sector 36c of chandigarh and i am facing problem with 4g signal in that area. Whenever i am making a call or using my data pack the call gets disconnected or internet gets disconnected. As per my conversation with airtel people and there suggestion i have upgraded my sim as well as my phone. But still there has been no improvement in the signal strength. I request you to kindly solve this network issue or otherwise i have to port my number.