Retro-Reflective Type Warning Board For Neutral Section 500 M Of Size 450X750X2 Mm (Pasted With Non-Reflective Sheet In Blue Colour And Letter S/Symbols Of Retro Reflective Type-Iv High Intensity Prismatic Sheeting In White Colour) Conforming To Rdso Specification. No. Eti/Ohe/33A (12/97) Rev-8 Or Lat Est And Similar To Rdso Drg. No.Re/33/347 Mod-B Or Latest Guarantee Certificate Of 120 Months Shall Be Provided As Per Mentioned Specification. [ Warrant Y Period: 120 Months After The Date Of Delivery ] ]