Nice & sharp image Anu, I agree with Sabyasachi opening up the shadows may help the visibility of the eyes. Also it would have been nice if the BG was diffused, the subject would stand out.

Download the Adobe Ligthroom 2.5, Sabyasachi has put down steps for post processing. You will find this in discussion forum - Photography tips. Even I was using photshop and Picasa, only recently i started Lightroom and its really good. The water mark and the max Width/Height allowed 800x800 can all be predefined and its easy.