Con Of Border Security Fence From Ph Ii To New Design Fence In Between Bp No. 846/7 S To 860/7 S 6.080 Km, Bp No. 860/7 S To 876/2 S 12.20 Kms, Bp No.876/2 S To 900/Mp 30.20 Km, Bp No. 900/Mp To 925/Mp 1.00 Km, Bp No. 978/1 S To 981/10 S 5.538 Km And Bp No. 984/Mp To 984/16 S 2.486 Km (Total 57.504 Kms) In Cooch Behar District Of West Bengal. Sh: Conduct A Topographical Survey Of Land Form Bp No. 978/1 S To 981/10 S 5.538 Km And Bp No. 984/Mp To 984/16 S 2.486 Km (Total Length Of Fence 8.024 Kms) Along Ibb By Using Total Station, Dgps, Or Any Advance Precise Survey Instruments As Suitable For The Work In Dinhata Sub Division In Cooch Behar District Of West Bengal.