He previously worked as a photojournalist and editor at the Patriot newspaper (1984-1986), India Today (1986-1995), and the Outlook Group of publications (1995-2001).
Prashant also works as a curator and educator. He is a co-founder and creative director of the Delhi Photo Festival, and in 2014 he directed Sensorium, a festival of arts, literature and ideas for Sunaparanta, the Goa Centre for the Arts. He is also co-founder and managing trustee of the Nazar Foundation, a non-profit trust for the promotion of the photographic arts.
Prashant previously served on the jury of the World Press Photo Awards in 2002, as well as the China International Press Photo Competition in 2005 and the Indian Express Press Photo Awards.