** Shares of Besra Gold fall as much as 20.4% to A$0.074, their biggest intraday pct fall since mid July

** Stock hits lowest level since Sept. 19

** Gold miner says legal proceedings for dealings with Quantum Metal Recovery in Ontario court begin

** Co says proceedings seek damages for negligent misrepresentation of C$2.0 mln ($1.48 mln), others

** BEZ in process of seeking legal advice

** Over 1.2 mln shares traded, 2.2x the 30-day average volume

** Stock down 38% YTD as of last close

($1 = 1.3486 Canadian dollars)

(Reporting by Kumar Tanishk in Bengaluru)

((Tanishk.Kumar@thomsonreuters.com;))