Supply Of Led Type Emergency Light Unit Type-i, Confirming To Rdso Spec. No. Rdso/pe/spec/ac/0180 - 2016 (rev - 0), With Drg . No. Rdso/pe/sk/tl/0180-2016 (rev - 0) - Sheet No. 1 & 2. Suitable For Ac And Non Ac Self Generating Coaches.