You are in the wrong place really.. there is a homebuilt section of the forum where they will give you great replies. To start you off, see what this costs in the US and take what you need from it. I am pretty sure it is under 300 US dollars.
CPU: AMD A4-5300 3.4GHz Dual-Core Processor
Motherboard: MSI FM2-A55M-E33 Micro ATX FM2 Motherboard
Memory: Crucial 4GB (2 x 2GB) DDR3-1066 Memory
Storage: Samsung Spinpoint M8 500GB 2.5" 5400RPM Internal Hard Drive
Case: Fractal Design Core 1000 MicroATX Mini Tower Case
Power Supply: Corsair Builder 430W ATX12V Power Supply
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer