** Cohance Lifesciences COHA.NS falls 8.1% to 790.30 rupees; set for steepest intraday pct drop in more than three years
** Managing Director V Prasada Raju resigns effective October 28; will facilitate smooth transition over next few months
** Management says recent changes in organisation due to several M&A deals over past few years; does not expect any "churn ahead"
** Creates new COO position to drive supply chain operations; COO to join soon
** More than 5.2 million shares traded, 3x their 30-day avg
** YTD, COHA down ~31%
(Reporting by Urvi Dugar in Bengaluru)
((UrviManoj.Dugar@thomsonreuters.com;))