pc bying help

I want build my pc and found a idle build for my needs using Jan 18's digit comfig. But now my issue is where is buy them. Shall is buy it online or offline. I live in Pune India. Can anyone recommend a place or site to purchase my gaming pc build needs

1. What is the purpose of the computer? What all applications and games are you going to run? (Stupid answers like 'gaming' or 'office work' will not work. Be exact. Which games? Which applications? Avoid the word 'et cetera.') Ans: Modern Games at low to medium settings ( Battle field...