Tenders for Supply Of Main Led Signal Lamps Red Aspect For Main Colour Light Signal, As Per Rdso Spec. R Dso/Spn/199/2010 Rev 1.1 Or Latest, 110V Ac Retrofittable In Existing Cls Housing And Compatible With Ac Led Ecr With Inbuilt Current Regulator.Items To Be Procured Through Stores Warranty Period: 30 Months After The Date Of Delivery