The best for the best configuration.. Plzz

Hi there,

I am having a budget of Rs. 10,000 and I need A perfect graphics card and a perfect PSU Under this my current PSU is 180 W..

My system configuration is:

Processor : Intel Core 2 Duo 2.8 GHz
RAM : 2 GB DDR3
Slot : x16 PCI-E
PSU : 180 W
OS : Windows 7 Ultimate

Suggest me both the things under 10,000 Rupees and also if here is a good card with external power supply support Suggest it to me...