Moei Fans Including Rmo Pump Sets, Dg Set, Fire Fighting, Fire Alarm System At Central Excise Customs (Nacin) Admn. Building At Ultadanga, Kolkata For The Year 2025-26. (Sh: A:- Providing Services For Operation Of E.I. Pumps D.G. Set. B:- Providing Services For Operation Maintenance Of Manual Fire Alarm System And Wet Riser System)