** Shares of SRM Contractors Ltd SRMC.NS rise as much as
8.7% to 226.77 rupees
** Construction co says, National Highway Authority of India
(NHAI) allotted new project for 2.78 bln rupees ($33.3 mln)
** Stock on track to gain for third straight session
** More than 661,000 shares traded as of 11:50 a.m. IST,
5.3x their 30-day moving avg
** SRMC last up 4.4%; down ~3.7% since listing in April
($1 = 83.5380 Indian rupees)
(Reporting by Meenakshi Maidas in Bengaluru)
((meenakshi.maidas@thomsonreuters.com;))