Tenders for Supply of Red Aspect Led Signal Lamps For Main Colour Light Signals Integrated- 110V Ac For Railwa Y Signalling With Inbuilt Current Regulator, Retrofittable To Existing Cls Housing And Compatible With Ac Led Ecr.%U201d As Per Rdso Spec. No: Rdso/Spn/199/2010 Rev. 1.1 Warranty Period: 30 Months After The D Ate Of Delivery