** Dev Information Technology DEVN.NS soars 16.5% to 122.80 rupees, highest since March 25
** IT services provider wins order from the Rajasthan government for operation and maintenance of an application
** Order valued at 29 mln rupees ($339,241)
** Stock set for biggest one-day pct climb since January 3
** More than 403,000 shares traded - 9x their 30-day avg - in stock's busiest session since February 21
** YTD, DEVN falls 28%
($1 = 85.4850 Indian rupees)
(Reporting by Nishit Navin in Bengaluru)
((nishit.navin@thomsonreuters.com))