Problem Solved!
Subject :USB wireless connection setup
1) download ndiswrapper..
http://sourceforge.net/projects/ndiswrapper/
(it installs Windows drivers as modules)
2) read INSTALL and do the VERY SIMPLE steps in there
3) apt-get install kwifimanager..(comes with KDE by default)
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4) To operate every time the computer restart ..
and add the a line