(a) whether the Railway Board has given emphasis on utilising cow dung to install bio-plants in the toilets of the trains;
(b) if so, the details thereof;
(c) whether the case of purchasing bacteria in place of cow dung by West Central Railway, Jabalpur for the bio-plants of the trains has come to light;
(d) if so, the details thereof; and
(e) whether the Railways is also considering to make all the headquarters aware of the technology to remove bacteria from cow dung and if so, the details thereof?