try one of those guides and let us know if something works for you..
http://en.miui.com/thread-23259-1-1.html
http://en.miui.com/thread-23268-1-1.html
I had already tried it and it did not work always gave me error. I have now tried for the umpteenth time and it worked, the phone is alive again. thanks to all for your support, do not install wsm tools if you do not want to mess up the phone