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Retirement Benefits (Details) - USD ($)
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Change in benefit obligation      
Benefit obligation at the beginning of the year $ 511,506 $ 527,512 $ 446,146
Actuarial (gain) loss 27,963 (60,402) 14,941
Service cost 69,402 75,405 75,039
Interest cost 52,790 46,086 44,025
Benefits paid (70,427) (27,314) (26,382)
Effect of exchange rate changes (22,184) (49,781) (26,257)
Benefit obligation at the end of the year 569,050 511,506 527,512
Current - (included in other employee payables) 37,961 45,226 47,713
Non-current - (included in retirement benefits) $ 531,089 $ 466,280 $ 479,799