grayed

Hey guys i am kaushik vedula and i want to know how can i get my blog approved with adsense here is my blog address thetechsafari.blogspot.com. The adsense button is grayed i have been blogging since these three months.? Any sujjestion?

i have a legit copy of windows 7 installed...but i also want to install windows xp sp3 on it...my friend gave me xp sp3 on a pen drive...but when i doubled clicked on exe file...a medium sized window appeared where there was a option to install WINDOWS XP...but it was grayed out...any one knows...