Adds missing currency in headline
** Shares of Paras Defence and Space Technologies PRAF.NS rise 3.3% to 675 rupees
** Stock logs biggest intraday pct gain since August 11
** Co receives orders worth 266 mln rupees ($3.01 mln) from Opto Electronics Factory, a unit of Ministry of Defence-owned India Optel
** Order is for electronic control systems used in thermal imaging fire control systems for battle tanks
** More than 718,458 shares change hands, 1.5x of 30-day avg
** Stock up 34% YTD
($1 = 88.2800 Indian rupees)
(Reporting by Rudra Pratap Singh in Bengaluru)
((rudrapratap.singh@thomsonreuters.com))