The National Green Tribunal has directed the Uttar Pradesh government to submit a report disclosing the steps taken for demarcation of floodplain zones of the Varuna and the Assi, the Ganga's tributaries in Varanasi district. A Bench of National Green Tribunal Chairperson Justice Prakash Shrivastava noted a report by the Varanasi Municipal Corporation, according to which 15 nullahs were discharging …