Everybody wants to go online in this internet age. The simplest way to go online is to register a domain name and have a decent hosting and your are online.

Great! There are two most important things required for going online a domain name and hosting. While domain name is not a big issue and you can easily register a .com  name under $10 per year.

What is more important is the Hosting. It is hosting that matters. Don't ever go for a Cheap hosting.  Choose a company where you can get good support, its good if the company provides chat support. Further there are many types of  Hosting based on individual requirements.
The very basic hosting starts with shared hosting, then you can upgrade to reseller hosting, then comes VPS hosting and final and ultimate is dedicated server hosting.
If you are from India you can check the prices of web hosting India for shared hosting, Reseller hosting India page for reseller hosting, VPS Hosting India for VPS Hosting and dedicated Servers India for Dedicated hosting.

Well it totally depends on the requirement you have.But i recommend you to start with baisc shared hosting plan to go ahead with your online venture.