Ntpc Lara- Lattice Structure: Mild Steel Yieldstress E250, Zinc Coating 610 Gms/Sqm , Ntpc Lara-Lattice Structure: High Tensile Steel Yield Stressee50, Zinc Coating 610 Gms/Sqm , Ntpc Talcher-Lattice Structure: Mild Steel Yield Stress E250, Zinccoating 610 Gms/Sqm , Ntpc Talcher- Latticestructure: High Tensile Steel Yield Stress Ee50, Zinccoating 610 Gms/Sqm Quantity: 977