| • management of mines | |
| खान: mine repertory working workings khan pit coal pit | |
| प्रबंध: disposition initialization ministry monograph | |
खान प्रबंध in English
[ khan prabamdha ] sound:
| • management of mines | |
| खान: mine repertory working workings khan pit coal pit | |
| प्रबंध: disposition initialization ministry monograph | |