Supply Of Survey Drawing Material For Katras Area Please Refer To Nit , Ammonia Paper 10 Mtr X 102 Cm , Ammonia Liquid , Tracing Cloth 100/102 X 18 Mtr Libra , Tracing Film 36 Micron , Tracing Film 50 Micron L-18 Mtr , W- 1016 Mm , Tracing Film 75 Micron , Tracing Film 100 Micron , Tracing Film 125 Micron L-18 Mtr , W- 1016 Mm , Mettalic Tape 100/30 Mtr , Steel Tape 100/30 Mtr , Sketch Pen Product No . 920 , Rottering Pen 0 . 1 , 0 . 2 , 0 . 3 , 0 . 4 , 0 . 5 , 0 . 6 , 0 . 7 , 0 . 8 , Rottering Pen Ink Black , Blue , Red , Green , Bur/Sw , Erazer Br-80 , Erazer T-20 , Pencil Hb , H , 2H , 3H , 4H . , Coloured Pencil ( Big ) L-175Mm X 7Mm Di , Cello Tape ( Transparent ) L- 65 Mtr , Cello Tape ( Coloured ) L- 65 Mtr , Measurement Book 200 Pages ( Big ) , Field Book 200 Pages ( Big ) , Level Book 200 Pages ( Big ) , Stencil Set With Loose Plate , Rottering Pen Set , Levelling Staff ( Alum ) 6 Mtr .