activity construction mining discharge of untreated effluents or use of plastic bags will be permitted within the esz vehicular traffic commercial water resources fencing of premises tourism activities commercial sign boards and so on will be regulated the draft notification of the esz that was issued on september 24 2014 is said to largely have the approval of all stakeholders no changes were suggested to this draft at the tuesday meeting the okhla reservoir created by the construction of a barrage on the yamuna river was declared a bird sanctuary by the uttar pradesh government under the provisions of section 18 of the wild life protection act 1972 on may 8 1990 the case stemmed from an application filed before the ngt complaining that 53 building projects had not obtained nbwl clearance for construction and seeking their demolition