in this Thread i tell you that how root your phone by Kingo Android ROOT
i tested it in my tab and it is works well , but images are for xperia p !
1.download app and install it on your windows.
2.connect to internet and run app.
3.turn on usb debugging and unknown sources , then connect your phone to the pc.
4.after downloading and installing driver , you see this:
5.press root buttom.
6.after rooting you see this:
if you want to UnRoot press remove root.