This question is asked almost every single week here on CiteHR.
Please use the research box at the top of the page and search for your answers. There are many, many discussion threads on this topic. Seems like half of India is starting their own business :-)
Here is a starting point.
get new clients
All the answers are here already. Please make use of the abundant resources already posted by our members to the site.
7th July 2014 From Australia, Melbourne