Getting a Schengen visa as an unregistered freelancer from India

Upvote:4

There are a few issues:

The purpose of your trip is not tourism, so right there your application is likely to get rejected. You should mark "OTHER" and list the actual reason you are going, something like "Professional Conference" or similar.
You are missing the Schengen Medical Insurance - which covers healthcare and repatriation (its not the same thing as travel insurance). The minimum coverage is 30,000 EUR.
Bank statements should show income and expenditures that demonstrate a lifestyle commensurate with your social and economical status, and the fact that you are able to support yourself for the purposes of the trip and not be a burden on state resources.
Finally and perhaps most importantly, they are also looking for a reason for you to come back (which the sponsor cannot provide), thus you have to show compelling ties to your home land. This is where you have the highest burden of proof as without a job to return to, there is nothing stopping you from overstaying your visa.

Burhan Khalid 39437

Source: stackoverflow.com