Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Restricted Cash

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Restricted Cash
12 Months Ended
Mar. 31, 2011
Restricted Cash and Cash Equivalents [Abstract]  
RESTRICTED CASH
4. RESTRICTED CASH
 
Included in restricted cash and cash equivalents is US$5.3 million related to an insurance policy at 31 March 2011 and 2010, which restricts the cash from use for general corporate purposes.