Indian Railway
Consider the following statements about the Bio Toilet Project in Indian Railways:1)The bio - toilets are joint initiative of Indian Railways and DRDO2)The human excreta in the bio - toilets is treated through anaerobic digestion process3)The bio toilet reduces the solid human waste to biogas and pure waterWhich of the above statements is/are correct?

1, 2 & 3
2 Only
1 & 3 Only
2 & 3 Only

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