robotic cleaning of supply & return air duct of ac coaches and sterilization by ozone during poh for a period of 03 (three) years at ac-poh shop, c&w workshop,new bongaigaon,assam,n.f.railway

Northern Frontier Railway has invited bids for the robotic cleaning of supply & return air duct of ac coaches and sterilization by ozone during poh for a period of 03 (three) years at ac-poh shop, c&w workshop,new bongaigaon,assam,n.f.railway. The estimated project cost is ₹0.7 Cr, with an EMD of ₹0.01 Cr. Interested bidders can submit applications until 12 October 2026, with the technical opening scheduled for 12 October 2026.