Blast from the past - the short lived YDM 4 in Coonor Shed Markings. When the YDM 4's were introduced in Ooty-Coonoor sector during the later half of 1990's, they carried the Coonor Shed logo. Now, all of them carry the Golden Rock logo, though the Coonor Shed logo made much more sense. Photo by Gary Wilso, 1998