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Significant Accounting Policies (Details) - USD ($)
6 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Mar. 31, 2021
Significant Accounting Policies (Details) [Line Items]      
Restricted cash   $ 25,947
Accounts receivable 275,247   270,693
Inventory Adjustments 116,135   114,214
Refunds liabilities 480,227   472,282
Advance from customers 218,644   257,449
Advertising expense 218,971 $ 402,663  
Accumulated other comprehensive income 758,820   527,786
Cash and cash equivalents 31,321   13,333,028
Receivables and other current assets $ 1,655,817   1,090,759
Concentration risk percentage 10.00%    
Concentration risk percentage   10.00%  
Credit Risk [Member]      
Significant Accounting Policies (Details) [Line Items]      
Accounts receivable $ 275,247   $ 270,693