^Thank you very much sam for your reply...sorry for the late reply...!!
Okie finally decided to buy gtx 960....ZOTAC GRAPHICS CARD GTX 960 2GB DDR5 (GTX 960 2G5D - ZT-90301-10M - 816264015595 )
will buy this card next week...or so from MD computer or vedant computer(kolkata)..!!