Thanks all for your replies. I will check out all these hosting services you guys mentioned. For the time being I have set up a sample wordpress blog here amitdugar.co.cc . I have not started blogging, but I have now learnt how to set up a blog and how to change themes etc...
This is how much it cost me to set-up the blog : $0
Domain cost : Free co.cc
Hosting : Free (07x.net)
I will try to set up shopping carts and other stuff. Then I will write my own pages.
I thank you guys again for your replies. Once I am done learning, I will be setting up my real website using one of the hosts you guys mentioned here.
For now, I have my own blog at : amitdugar.co.cc