India's Rail Vikas Nigam up after $28.7 mln order win

** Shares of Rail Vikas Nigam RVNL up 3% to 292.85 rupees,

** RAIV says it is lowest bidder for a Southern Railways contract worth 2.39 bln rupees ($28.7 mln)

** Stock on track to rise for fourth straight session if gains hold - its longest winning streak since late Jan

** Stock up 58.8% YTD vs Nifty 500 index's (.NIFTY500) 6.8% rise

($1 = 83.3760 Indian rupees)