TY - BOOK ED - G K Publishers TI - Guide to NTPC diploma trainees recruitment exam : mechanical engineering SN - 9788183553155 PB - G K Publishers KW - Diploma trainees recruitment exam(NTPC) Mechanical engineering KW - Guide NTPC Mechanical engineering KW - Mechanical engineering NTPC Diploma trainees recruitment exam KW - NTPC Diploma trainees recruitment exam Mechanical engineering ER -