Staff Reporter – The Hindu HYDERABAD:, MAY 17, 2013 The bio-toilet costs about Rs.80,000 apiece and uses uses bacteria to decompose night soil. Authorities plan to install 200 of them in Padmavathi, Ajanta and other trains After conducting a successful trial run of using bio-toilets in 17 coaches of Hyderabad-Mumbai and Kacheguda-Bangalore Express trains, the […]