Q. Consider the following statements about the Bio Toilet Project in Indian Railways:

1. The bio-toilets are joint initiative of Indian Railways and DRDO
2. The human excreta in the bio-toilets is treated through anaerobic digestion process
3. The bio toilet reduces the solid human waste to biogas and pure water

 Which of the above statements is/are correct?
Answer: 1, 2 & 3
Notes: All given statements are correct
The bio-toilets have been developed by Indian Railways with the help of DRDO. The human excreta in the bio-toilets is treated through anaerobic digestion process. The bio toilet reduces the solid human waste to biogas and pure water.  World’s first Bio-Vacuum toilet was developed by IR and is being used in Dibrugarh-Rajdhani Express.