Need Help to buy i7 or i5 15.6" HD under 45K (without OS)

i want to buy new laptop i7 or i5 based. brand no bar.
i want 15.6" HD as i want to use it for watching move.
i want good computing power as i want to use for video conversion for my handycam and i want to use for programing also.
my budget is 45K to 50K (without os)

Thanks in advance

-- santhosh