Necessary Supply, Installation, Testing And Commissioning Of P.A. Equipments For The Auditorium Hall Of Body Guard Lines Situated At 7, D. H. Road, Kolkata-700027, During The Year 2025-2026. Wbkp/Cp/Nit-278/ Supply, Installation, Testing And Commissioning Of P.A. Equipments For The Auditorium Hall Of Body Guard Lines /Ten, Dated.26.06.2025