Repair Maintenance Of Joineries Galvalume Ac Frp Sheets Of Certain Bldgs Of Zone B Area And Sewage Treatment Plants Along With Connected Items Of Capacity 30 Kld To 100 Kld 360 Kld To 800 Kld Under Ge I Gos/8000/24/2023-24/0923/E8/2023_Mes_598825_1 (EXPIRED)