conversion of border security fencing from phase ii/iii to new design fence in west bengal between bp no.243/mp to 764/2-s (length 210.028 km) sh- in various stretchs from bp no. 355/2-s to 357/1-s (4.725 km) 361/m to 365/m (6.329km) 385/2-s to 385/5-s (0.800km) near bp no. 399/8-r (0.030km) 401/6-s to 402/2-s (80.180 km) and 409/5-s to 417/8-s ( 15.383 km) (total length 27.447 km including intermediate bops reverine structures like bridges culverts including gaps in fences and length of existing old fences which are not in the scope of this work etc.) along indo bangladesh border in the district of ud west bengal (package v) in epc mode iii sw providing services of watch and ward for the cpwd office campus of border fencing division ii cpwd (ibbz-i) islampur.