Airtel — worst internet

Address:

Kolkata, West Bengal, 700005

I'm facing problem from today evening regarding the internet speed apps like play store and facebook and what's app are not opening even after multiple attempts we have also tried swaping the sum card along with tried to reboot the phone but no results the problem is still there is poor availability of internet to applications are launching so i would request to look into the matter and solve it in a short couple of time