Tenders for Supply, Fixing And Erection Of Reflective Board In Sigma Shape For Identification Of Signals As Per Sp Ecification No. Eti/Ohe/33A 12/97 Rev-8 Dated 12.11.2012 Or Latest And Drawing No.Ti/Drg/Ohe/Pltbrd/R Ds0/00036/12/0 Enclosed With Indent Or Latest Over Bangalore Division Of South Western Railway 450Mm X 60 0Mm Board With 2Mm Thickness. Warranty Period: 30 Months After The Date Of Delivery