In a written reply to a query, Minister of State for Railway Manoj Sinha said his ministry carries out periodical check on quality of water at stations and in case of any deficiency, corrective action will be taken.
Railways have identified for provision of RO at eight stations including Bhopal, Dwarka, Gadag, Guwahati, Hazrat Nizamuddin, Madurai, Patna and Tirupati on experimental basis.
The RO process involves substantial wastage of water depending upon its quality and will require uninterrupted power supply.