** Shares of IRB Infrastructure Developers IRBI.NS up 5%
at 63.8 rupees before trimming gains to last trade 2% higher
** Stock gains after IRBI says Feb gross toll collection at
4.62 bln rupees ($55.84 mln), up 31.4% y/y
** Co, which develops transport infrastructure for highways,
set to snap three straight sessions of losses if gains hold
** IRBI, however, on track for fourth straight weekly loss
** Avg of 5 analysts rate stock 'buy', median price target
is 60 rupees - LSEG data
** Stock up 49% YTD, after climbing last four years
($1 = 82.7325 Indian rupees)
(Reporting by Rama Venkat in Bengaluru)
((ramavenkat.raman@thomsonreuters.com; https://twitter.com/ramavenkat0607;))