** Shares of Mazagon Dock Shipbuilders MAZG.NS rise as
much as 4.5% to 2,370 rupees
** Shipbuilding co gets two contracts from Indian government
worth about 28.67 bln rupees (~$335 mln)
** Orders for building a system to improve endurance of
submarines and to install a new torpedo on submarines to boost
firepower
** Stock rises after falling for two consecutive sessions
** MAZG extends YTD gains to ~100%
($1 = 85.5700 Indian rupees)
(Reporting by Yagnoseni Das in Bengaluru)
((Yagnoseni.Das@thomsonreuters.com;))