CONCENTRATION OF CREDIT RISK (Details) - USD ($)	6 Months Ended		12 Months Ended
	Sep. 30, 2018		Mar. 31, 2018
Concentration of credit risk and major customers
Accounts receivable	$ 817,744		$ 1,446,982
Accounts Receivable | Customer Concentration Risk
Concentration of credit risk and major customers
Concentration risk percentage	34.00%
Accounts Receivable | Customer Concentration Risk | Customer A
Concentration of credit risk and major customers
Accounts receivable	$ 279,650			[1]
Concentration risk percentage	34.00%			[1]
Accounts Receivable | Customer Concentration Risk | Customer B
Concentration of credit risk and major customers
Accounts receivable	$ 147,737		$ 432,084
Concentration risk percentage	18.00%		30.00%
Accounts Receivable | Customer Concentration Risk | Customer C
Concentration of credit risk and major customers
Accounts receivable	$ 116,899		$ 394,454
Concentration risk percentage	14.00%		27.00%
Accounts Receivable | Customer Concentration Risk | Customer D
Concentration of credit risk and major customers
Accounts receivable		[1]	$ 263,098
Concentration risk percentage		[1]	18.00%
Accounts Receivable | Customer Concentration Risk | Customer E
Concentration of credit risk and major customers
Accounts receivable	$ 99,252			[1]
Concentration risk percentage	12.00%			[1]
Accounts Receivable | Customer Concentration Risk | Customer F
Concentration of credit risk and major customers
Accounts receivable	$ 86,568			[1]
Concentration risk percentage	11.00%			[1]

[1] less than 10% of total