The People's Linguistic Survey of India (PLSI) is a linguistic survey launched in 2010 in order to update existing knowledge about the languages spoken in the modern republic of India. The survey was organized by the NGO Bhasha Research and Publication Centre, Baroda, founded by G. N. Devy, a social activist, and was conducted by 3500 volunteers, including 2000 language experts, social historians. It has identified 780 languages in India. The 35,000 page survey is being published in 50 volumes. The first six volumes were released at the Bhasha Vasudha Global Languages Conference in Vadodara on January 7, 2012.[1] The survey was completed in December 2012 and several of its volumes are being published by the publishing house Orient Blackswan.