RELATED PARTY TRANSACTIONS AND BALANCES - Amount due to related parties and affiliates (Details) - USD ($)	Dec. 31, 2019	Mar. 31, 2019
Total due to stockholders	$ 144,456	$ 1,080,047
Loan payable to related parties (i)	260,782	95,781
Other payables due to related parties (ii)	0	297,978
Others (iii)	70,014	22,172
Total due to related parties and affiliates	330,796	415,931
Jun Wang [Member]
Total due to stockholders	74,640	107,233
Xiang Hu [Member]
Total due to stockholders	69,816	972,814
Continuing Operations
Total due to stockholders	0	0
Total due to related parties and affiliates	212,144	415,931
Discontinued operations
Total due to stockholders	(144,456)	(1,080,047)
Total due to related parties and affiliates	$ (118,652)	$ 0