Online resources to learn Computer Hardware

Unfortunately I know all sites in italian language...and you are from india so you would not understand them. The best advice is to follow what can do a friend who likes to build computers! Anyway you could go on www.tomshardware.com ! There is a guide on building pc here: http://www.tomshardware.com/2006/12/14/how-to-build-a-pc-part-3/ that explain how to mount a CPU, clip, thermal paste, RAM powersupply and motherboard. I think it's very interesting for a newbie, so give it a look. And give to my post a plus if you think I helped you!