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

COMMON SHARES (Details)

v3.7.0.1
COMMON SHARES (Details)
$ in Millions
12 Months Ended
Mar. 31, 2017
CNY (¥)
shares
Mar. 31, 2016
CNY (¥)
shares
Mar. 31, 2015
CNY (¥)
shares
Sep. 24, 2015
USD ($)
Aug. 05, 2014
USD ($)
Nov. 01, 2012
USD ($)
Common shares            
Repurchase price   ¥ 19,536,028 ¥ 8,362,136      
ADS            
Common shares            
Authorized amount to be repurchased (in dollars) | $       $ 3.0 $ 5.0 $ 5.0
Common share            
Common shares            
Shares repurchased | shares 0 1,134,264 612,314      
Repurchase price ¥ 0 ¥ 19,536,028 ¥ 8,362,136