for GPU gor for this.. :http://www.flipkart.com/sapphire-amd-ati-hd-7870-hdmi-oc-2-gb-gddr5-graphics-card/p/itmdc2rafnxpkg6k?pid=GRCDC2QTMTAHB4ZR&otracker=from-search&srno=t_12&query=graphic+card&ref=c191d32c-0a73-412f-9e85-a2d1d4ff9505
rest of the parts are here : http://pcpartpicker.com/p/1EpTl
note this build is made for gaming...
however when i was making this build..it reached your budget limit... incase you can increase your budget go for 7950...
for GPU gor for this.. :http://www.flipkart.com/sapphire-amd-ati-hd-7870-hdmi-oc-2-gb-gddr5-graphics-card/p/itmdc2rafnxpkg6k?pid=GRCDC2QTMTAHB4ZR&otracker=from-search&srno=t_12&query=graphic+card&ref=c191d32c-0a73-412f-9e85-a2d1d4ff9505
rest of the parts are here : http://pcpartpicker.com/p/1EpTl
note this build is made for gaming...
however when i was making this build..it reached your budget limit... incase you can increase your budget go for 7950...