00310nam a22001337a 450000500170000000800410001704100080005808200100006610000250007624500240010126000180012530000090014365000240015220160701103229.0160701b        xxu||||| |||| 00| 0 eng d  aeng  b20154  aSaxena SC & Arora SP  aRailway Engineering  bDhanpatc2015  a34.7  aDiploma Engineering