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CONCENTRATION OF CREDIT RISK (Details) - USD ($)
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Concentration of credit risk and major customers    
Accounts receivable $ 990,300 $ 1,010,443
Accounts Receivable | Customer Concentration Risk | Customer A    
Concentration of credit risk and major customers    
Accounts receivable $ 365,636  
Concentration risk percentage 37.00%  
Accounts Receivable | Customer Concentration Risk | Customer B    
Concentration of credit risk and major customers    
Accounts receivable $ 254,637  
Concentration risk percentage 26.00%  
Accounts Receivable | Customer Concentration Risk | Customer C    
Concentration of credit risk and major customers    
Accounts receivable $ 123,000  
Concentration risk percentage 12.00%  
Accounts Receivable | Customer Concentration Risk | Customer D    
Concentration of credit risk and major customers    
Accounts receivable   $ 339,032
Concentration risk percentage   34.00%
Accounts Receivable | Customer Concentration Risk | Customer E    
Concentration of credit risk and major customers    
Accounts receivable   $ 246,019
Concentration risk percentage   24.00%
Accounts Receivable | Customer Concentration Risk | Customer F    
Concentration of credit risk and major customers    
Accounts receivable   $ 244,500
Concentration risk percentage   24.00%
Trade Receivables    
Concentration of credit risk and major customers    
Concentration risk percentage 75.00%