At Sealdah Narkeldanga &Amp Mogalbagan Colony Improvement, Strengthening Of Jack Arch Roof, Cantilever Verandah And Chajjas, Sanitary &Amp Plumbing Works And Changing Of Damaged Doors And S With Frp Etc. Including All Other Ancillary Works Nkg (Type Ii) Bldg. No. 182, 181, 180, 162, 159, 160, 161, 188, 196, 165, L/7, L/6, L/11, L/12, L/13.Mgb (Type Ii) Bldg. No. 123, 124, 101, 134.Nkg (Type Iii) Bldg. No. 122, 163, 189, 207.Nkg (Type Iv) Bldg. No. L/71, L/4