** Shares of Avenira Ltd AEV.AX closed 12.5% higher at A$0.009, their highest since May 30

** Specialty miner gets mine management plan approved for its Wonarah Mine from Northern Territory government

** Plan includes pit design, supporting infrastructure, exploration drilling program, etc.

** Trading volume at about 2.3 mln shares, 1.3x 30-day average

** Stock up 5.9% YTD, including moves in current session

(Reporting by Jasmeen Ara Shaikh in Bengaluru)

((JasmeenAraIslam.Shaikh@thomsonreuters.com;))