Read this post on the website: Did Vivekananda say ‘Sisters and Brothers of America’? Fact checking a fact check
Also a list of the other participants from India at the 1893 Parliament of World's Religions at Chicago. There were at least 15, including Vivekananda.
Cutting the Chai - India's original potpourri blog. Since 2005. By Soumyadip Choudhury