Just a small post to add this information. If you are an SMB with online presence, Google gives free Adwords credit of Rs.2500/- Just call 1860 266 6622 and register in the Adwords platform of Google in India. http://adwords.google.co.in/

It may be pittens, but it is a start. It could be a good medium if you have a budget of Rs.200 per day, at least