You can use the config that I am getting:
Processor: Core i5 2400k -- Rs. 9,500
Motherboard: Intel Dh67BL -- Rs 5,500
HDD: Seagate 1TB barracuda hard drive 7200rpm -- Rs. 5,300
RAM: Corsair/Gskill 8GB (2x4GB) DDR3 1333 MHz FSB -- Rs, 2,200
Graphic card: AMD HD 7850 2GB DDR5 -- Rs. 15,500...