Day To Day Maintenance Of Arboriculture Works Of Zone-Vii Kharu Zone-Viii Kanchiyara Head Work Sites Each Approx Area 0.33 Acre Within The Jurisdiction Of North 24-Pgs. Arsenic Area W/S Scheme Under North 24 Pgs. W/S Division-I, P.H.E. Dte. Wbphed/8E/Ee/Nwsd-I/25-26Sl.7