** Azad Engineering AZAD.NS soars 12.7% to 1,647 rupees;
set for best day since Jan. 30
** Co signs contract worth 7 bln rupees ($83 mln) with
Japan's Mitsubishi Heavy Industries 7011.T to supply airfoils
for gas and thermal power turbine engines
** AZAD on track for sixth straight session of gains
** More than 800,000 shares traded, ~7x the 30-day avg, in
stock's busiest session since July 18
** YTD, stock up ~140%
($1 = 84.0730 Indian rupees)
(Reporting by Dimpal Gulwani in Bengaluru)
((dimpal.gulwani@thomsonreuters.com))