My options are
> http://www.flipkart.com/asus-amd-ati-hd-6670-1-gb-gddr5-graphics-card/p/itmd9uqvwxyvhvhy?pid=GRCDAMAKFBEGGRYD&otracker=from-search&srno=t_3&query=graphics+card&ref=fea2adbd-b867-4d75-a313-32c1119fb6d9#read-reviews
> http://www.flipkart.com/galaxy-nvidia-geforce-gt-640-1-gb-ddr3-graphics-card/p/itmdbuyghxqrzgw4?pid=GRCDBUYGWJEQY4ES&otracker=from-search&srno=t_61&query=graphics+card&ref=eb594793-d398-49e5-ae84-91b8a47edd08
> http://www.flipkart.com/forsa-nvidia-gt640-2-gb-sddr3-graphics-card/p/itmdb7tvpeytgfee
> http://www.flipkart.com/asus-amd-ati-hd-6670-1-gb-gddr5-graphics-card/p/itmd9uqvwxyvhvhy?pid=GRCDAMAKFBEGGRYD&otracker=from-search&srno=t_3&query=graphics+card&ref=fea2adbd-b867-4d75-a313-32c1119fb6d9#read-reviews
> http://www.flipkart.com/galaxy-nvidia-geforce-gt-640-1-gb-ddr3-graphics-card/p/itmdbuyghxqrzgw4?pid=GRCDBUYGWJEQY4ES&otracker=from-search&srno=t_61&query=graphics+card&ref=eb594793-d398-49e5-ae84-91b8a47edd08
> http://www.flipkart.com/forsa-nvidia-gt640-2-gb-sddr3-graphics-card/p/itmdb7tvpeytgfee