BSNL BROADBAND WA3002GA — No proper Wifi signal

BSNL Broadband — no proper signal

dear sir,
We have taken bsnl broadband connection from last month and from past two weeks there is no proper connection .Always the SIGNAL FLUCTUATES so we are not able to access the internet.Kindly get a solution for this problem .even the local authorities have behaved in a neglecting manner and have not responded to our complaints.

i alredy compalint for this signal ican't cal from gmail some times signal comeing going that way pls help me