Nimin zing khan Geology & Mining lam a mithiam te hruaiin Pu J.Hmingthan- mawia DC, Pu C.Ngunlianch- unga CEM, Pu H.Zothangliana Parliamentary Secretary ten Lawngtlai khawpui chhung fangin chhiatna thleng thei laka inven tulna lai te mithiam te hi an enpui.