Stepping up its emphasis on keeping the surroundings of the three major railway stations in Delhi clean and hygienic, Northern Railway has introduced a number of new measures, including personal monitoring by senior officials to ensure attendance and prompt discharge of duties by sanitation workers. According to Northern Railway, 20 tonnes of solid waste is generated at New Delhi railway station, 14 tonnes at Delhi Junction and six tonnes at Hazrat Nizamuddin station. As many as 275 sanitation workers have been put on duty at New Delhi station in addition to the regular ragpickers on contract.