Palit NVIDIA GeForce GTX 650 1 GB GDDR5 Graphics Card or Gainward NVIDIA GeForce GTX 650 1 GB GDDR5 Graphics Card or MSI NVIDIA GeForce GT 640 2 GB GDDR5 Graphics Card
links are below:
http://www.flipkart.com/msi-nvidia-geforce-gt-640-2-gb-gddr5-graphics-card/p/itmdh9nfzh2zp544?pid=GRCDH9NFZVSFSCYZ&otracker=from-search&srno=t_13&query=msi&ref=b866767a-bab0-4838-b7a7-ba459fcf6aa4
http://www.flipkart.com/gainward-nvidia-geforce-gtx-650-1-gb-gddr5-graphics-card/p/itmdgszzzq3c5gyg?pid=GRCDGSZADXKZ59WT&icmpid=reco_pp_historyFooter_graphics_card_1
http://www.flipkart.com/palit-nvidia-geforce-gtx-650-1-gb-gddr5-graphics-card/p/itmdh8dyhdsfzwqz?pid=GRCDH8CZ8ZRE3DGS&icmpid=reco_pp_historyFooter_graphics_card_2
links are below:
http://www.flipkart.com/msi-nvidia-geforce-gt-640-2-gb-gddr5-graphics-card/p/itmdh9nfzh2zp544?pid=GRCDH9NFZVSFSCYZ&otracker=from-search&srno=t_13&query=msi&ref=b866767a-bab0-4838-b7a7-ba459fcf6aa4
http://www.flipkart.com/gainward-nvidia-geforce-gtx-650-1-gb-gddr5-graphics-card/p/itmdgszzzq3c5gyg?pid=GRCDGSZADXKZ59WT&icmpid=reco_pp_historyFooter_graphics_card_1
http://www.flipkart.com/palit-nvidia-geforce-gtx-650-1-gb-gddr5-graphics-card/p/itmdh8dyhdsfzwqz?pid=GRCDH8CZ8ZRE3DGS&icmpid=reco_pp_historyFooter_graphics_card_2