Watch a teaser of the Navayana-produced documentary film 'Bhagwan Das: In Pursuit of Ambedkar'. The hour-long film chronicles the life and work of Bhagwan Das, 82, who worked as a research associate with Dr B.R. Ambedkar in 1955-56, and compiled, produced and edited the four-volume Thus Spoke Ambedkar between 1963 and 1980. For a copy of the complete film, contact us at navayana.org