Alliance — Lagging Net

Address:	Kolkata, West Bengal
Website:	alliancekolkata.co.in/new/

Getting net lag for over a month. I pay 450 bucks for a starter pack which is supposed to give 512kbps of bandwidth, But from August 18th up till date i am not getting stable speeds over 300kbps, i have called their customer support for over 30 times, they say that everything is fine, local ISP distributors are saying the same word and my machine is 3 months old and perfectly tuned up run box shows a constant stable ping request from my machine, but the reply from their server fluctuaes by havoc, they say that its normal. I am getting speeds below 150kbps 20% of the time, how come that can be normal? I suppose this is a deliberate attempt of increasing the package.