31121-WAG9-LGD 'NavPragati' --- Rudranil RoyChowdhuryspotted this unique machine near Uluberia waiting in the loop with coal-filled BOXN consist on 2nd April 2014. The Lallaguda beauty christened as 'NavPragati' which means new progress. This is the 100th WAG9 locomotive produced by CLW, flagged off on 23rd March 2007.