** Shares of Swaraj Engines SWAR.NS rise as much as 12.5% to 4,394 rupees
** Co reports 20.1% y/y rise in Q4 profit to 545.6 mln rupees ($5.6 mln); rev up 20.2% y/y
** Adds, driven by strong customer demand, co sustained growth momentum, marking 16th consecutive qtr of profit growth; posted highest-ever engine sales volume in Q4
** More than 273,000 shares traded as of 10:03 a.m. IST, 14x their 30-day moving avg
** SWAR last up 8.3%, adding to YTD gains of 9.2% so far
($1 = 93.2100 Indian rupees)
(Reporting by Meenakshi Maidas in Bengaluru)
((meenakshi.maidas@thomsonreuters.com;))