Supply Of Drum Type Reverser (j1 And J2) 1500 Amps High Capacity For Locomotives Confirming To Rdso Smi/elrs/smi/0234 (rev `0`) To Clw Drg No 1twd.103.008 Alt-6 And Clw Specfication 4tts.101.005 (a) Alteration-8.