Bharat Sanchar Nigam [BSNL] — no signal as soon as you enter inside building

Address:

Vasista Residency, Behind ICICI Bank, Uttarahalli, 560061

Network is pathetic in my apartment every time when i need to call I need to run out of building, please check & improve the network in this area.

I am not even getting a incoming call from other, says out of coverage area to the caller who calls me.

tried to call the customer care, but no use. need to improve your service to keep the customer,