Tenders for Supply of Visual Indication Of Tm Current With Pus Visual Indication Of Tm Current With Push Button/Toggle Switch For Wap-4 & Wag-7 Locomotives Having Gear Ratio 23:58 Qty 42Nos & 16:65 Qty 50 Nos Respectively As Per Rdso Modification Sheet Rdso/2014/El/Ms/0339 Rev 1 Dt 04.04.2014.