Vigilence Control Device (Vcd) To Be Used In 25 Kv Ac Tap Changer Locomotives As Per Rdso Specif Ication No. Rdso/2008/El Spec/0025/Rev.-5, March-2010 With Amendment No.1 & Rdso Letter No. El/3.1.14, Dt. 04.10.2011 &11.11.2011 Foot Switch As Per Clw Drg. No. Clw/Es/3/Sk-1/0032, Alt-A Or Latest Clw Spec No. Clw/ Es/3/0032 & Confirming To Rdso Ms No.Rdso/2016/El/Ms/0450(Rev.-0) Dated 19.05.2016. [ Warranty Period: 30 Months After The Date Of Delivery ] ]