I have airtelbroadband 256kbps connection.Till 2 days back before these post i get 28 k both download and upload speed.But all sunddenly after that i get only download speed as 17k and upload speed as 7k for a single file(download and upload)When i try with 2 file i can reach the bandwidth of 30k in download and in upload 4 file mean 28k speed.Why i dont get as like the speed in the past in the single file???I have reinsatlled the os and No virus were found...Get me the right solution.............