Check your eligibility criteria for tender Supply of Led Signal Lighting Unit With Built In Current Regulator, Retrofittable In Existing Cls Units As Per Rdso Specification Rdso/Spn/199/ 2010 Or Latest - Main Signal Aspect Green. Warranty Period : Up To 30 Months From The Date Of Supply Item Is Restricted For Rdso Approved Sources Only Sub Item Id- 3100194 002. Warranty Period: 30 Months After The Date Of Delivery