Adsl router glb802c
Speed is very slow

My land line number is 01125706423 .I have subscribed mtnl broadband unlimited plan but I am not satisfied with the service

speed is too low 20 kbps & it disconnects automatically, I have made so many calls to customer care but there is no response.

PLESE DO THE NEEDFUL & TAKE SOME SPEEDY ACTION.IF YOU WANT TO CALL ME THEN PLESE CALL ME ON MY MOBILE MENTIONED BELOW.

9958664999

THANKS