** Chinasoft International gains 3.6% to HK$3.77, on track for the biggest one-day pct gain since July 31

** Software and IT services provider wins bid for HK$410 mln ($52.5 mln) Central Digital Imaging Platform project of the Hong Kong Police Force

** Hang Seng Composite Index on information technology firms

rises 1.2% and Hang Seng Index adds 1%

** Stock down 39.2% YTD ($1 = 7.7987 Hong Kong dollars)

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))