Tenders for Supply Of Led Type Emergency Light Unit Type-i, Suitable For Self Generating Ac & Non Ac Coaches Confirming To Rdso Specification No. Rdso/pe/spec/ac/0180 - 2016 Rev.0 With Rdso Drawing No. Rdso/pe/sk/tl/0180 - 2016 Rev -0 Sheet No. 1 & 2..