** Shares of Shilpa Medicare SHME.NS rise as much as 3.8% to 340 rupees; stock currently up 1.6%
** Pharma co receives initial authorisation for marketing Rotigotine transdermal patch, used for treatment of Restless Legs Syndrome and Parkinson's disease, in Europe
** Co says total addressable European market is estimated at about $222 million
** More than 435,780 shares change hands vs 30-day avg of 276,991 shares
** YTD, stock down 18.4%
(Reporting by Mridula Kumar in Bengaluru)
((Mridula.Kumar@thomsonreuters.com;))