Equity-settled donation expense (Tables)

12 Months Ended

Mar. 31, 2016

	Year ended March 31,
	2014
Risk-free interest rate (i)		1.02	%
Expected dividend yield (ii)		0	%
Expected life (years) (iii)		4.00
Expected volatility (iv)		37.2	%
Discount for post-vesting sale restrictions (v)		18.0% - 38.0	%

(i)

Risk-free interest rate is based on the yields of United States Treasury securities with maturities similar to the expected life of these options at the time of grant.

(ii)

Expected dividend is assumed to be 0% as the Company has no history or expectation of paying a dividend on its ordinary shares.

(iii)

Expected life of the options is based on management's estimate on timing of exercise.

(iv)

Expected volatility is assumed based on the historical volatility of the Company's comparable companies in the period equal to expected life of the options.

(v)

Discount for post-vesting sale restrictions applied on the underlying ordinary shares takes into consideration of the restriction on sales of two to eight years.