Reliance Netconnect Broadband HSD Device — not working

dear sir/mam,
i had purchased reliance broad band HSD device net connect from reliance dealer in bhopal abt 3 months back,the device is nto functioning properly since the day one and inspite of repeated request to the executive and to the customer service centre there has been no reply or response from there side and iam facing a lot of inconvienience due to the same.i have been paying the bills since last two months regularly without having used the net properly.as per company the speed is 3.1 mbps and the speed iam getting is only 256kbps.the net connection is also very poor due to which iam not able to work properly.i request you to please guide me as to what to do for the problem iam facing .i will be highly obliged for your kindful act.

regards

Capt(dr) girish S