** Shares of Rudra Gas Enterprise RUDA.BO rise exchange-allowed maximum of 5% to 73.58 rupees
** Co says it has won order worth 332.2 mln rupees ($3.9 mln) from Bharat Petroleum Corporation BPCL.NS
** Stock on track for a fourth consecutive session of gain, if trend holds
** Stock is witnessing its most active trading session since November 22 with more than 54,000 shares changing hands, 2.7x its 30-day avg
** Since listing in mid-February last year, stock has fallen 38.5%
($1 = 85.5040 Indian rupees)
(Reporting by Ashish Chandra in Bengaluru)
((ashish.chandra@thomsonreuters.com (+91 7982114624))