Development Of Complete Propulsion System Comprising Of Traction Converter, Auxiliary Converter And Train Communication Network (Tcn) Based Vehicle Control Unit (Vcu) For Three Phase Electric Locomotives. As Per: (A) Specification No. Rdso/2008/El/Spec/0071, Rev 006 Issued December 2023 (B) Str No. C-D&D/T/01/Str, C-D&D/T/02/Str And C-D&D/T/04/Str