Locos are very scare now and IR all zones are utilizing old diesel of 2500HP also for passenger as well as freight trains. Thus week I saw a coal loaded freight trains being hauled by double WDM2 2500HP engine against the practice of double WAG9 giving 12000HP in Vskp BZA section double line whole all trains running along BZA BVRM RJY trunk route are also hauled y double old diesels.