A "C Form" is a common name for a tax form in several countries, including India. Also short for concessional form.
CA is likely Chartered Accountant, an important accountancy qualification in several countries.
How can I get office/windows/etc for free: If you're new on the internet, it's going to be difficult to understand how such expensive software is ubiquitous. Office in particular costs 6 months salary in many places of the world (G8 countries: can you imagine spending $20k on an office suite?) Plus of course there are both valid, and copyright-infringing methods of getting these products for free.
How can I view a street? Google Street View - a valid question if you've seen/heard of it but don't have the name.
how can i copyright a website: It seems almost no-one understands copyright well, and copyright notices are everywhere on websites (despite copyright being automatic)
how can i get the new facebook 2010: related to phased rollouts of new features, or some scam or hoax, or both.
what version of windows 7/ office 2007 do I have? They mean which edition, Basic/Ultimate etc. Not a stupid question at all.
how can i start share business?: How can I start investing in stocks/shares.
how can i tell how tall my son will be: It's actually easy to calculate a fairly accurate prediction from the parent's height, and height is pretty important in many cultures.