** Shares of KRBL KRBL.NS slump 8.6% to 406 rupees
** Stock set for steepest drop in almost two years, if losses hold
** The rice exporter's independent director Anil Kumar Chaudhary resigns from board
** Says prevailing dynamics of the board inconsistent with effective governance and truly independent oversight to safeguard stakeholder interests
** About 3.4 million shares traded in less than an hour, 1.5x more than their 30-day avg
** KRBL stock up 35%, YTD
(Reporting by Urvi Dugar)
((UrviManoj.Dugar@thomsonreuters.com;))