West Godavari district Collector A. Vani Prasad on Saturday left for Sri Lanka to take part in the South Asian Conference on Sanitation-IV. The four-day conference will commence at Colombo on April 4 and is expected to devise a road map for attaining total sanitation in the South Asian nations.

Ms Vani formed part of the 20-member official delegation from the country which was invited to participate in the conference.