Tenders for Supply of Fan Guard For Bldc Railway Carriage Fans As Per Rdso Spec. No. Rdso/Pe/Spec/Tl/0021 /200 5 Rev.-3 With Amndt.-1 Or Latest. The Design Of Fan Guard Shall Conform To Icf Drg No. Icf/Sk-7-6-158 Alt. G C Ol-Ii Or Latest Warranty Period: 30 Months After The Date Of Delivery