Tenders for Supply of Led Type Emergency Light Unit Complete With Battery, Suitable For Use In Sg Ac & Non Ac Conventi Onal Coaches Type-I And Confirming To Rdso Specification No. Rdso/Pe/Spec/Ac/0180-2016 Rev-0 And R Dso Drawing No. Rdso/Pe/Sk/Tl/0180/2016 Rev. 0 Sheet No. 1 & 2. Warranty Period: 30 Months After Th E Date Of Delivery