Besides Schmidt, Alan Rusbridger, the editor-in-chief of British newspaper The Guardian and Stephanie Cutter, who served as the deputy firector in US President Barrack Obama's 2008 and 2012 campaigns, will also be participating in the summit.
"Modi is the only CM from India to be invited to speak at the summit which focuses on the influence of web in shaping India's future, in areas of business and economics, politics and governance, culture and media, and education," according to the release.
Big Tent summits are hosted by Google and they bring together the finest minds, political leaders, thinkers to talk about a variety of issues, the release said.
Such summits have been held across the world including in New York City, London, Berlin, Madrid, Nairobi, Moscow and Seoul.
Tech-savvy Modi, who has been active on social media, has around 13 lakh followers on the Twitter.
Earlier, for the first time in August 2012, the Gujarat chief minister had interacted with the people via Google Hangout.