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Income Taxes (Details) - Schedule of reconciles the statutory rates to the Company's effective tax rate
6 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Schedule of reconciles the statutory rates to the Company's effective tax rate [Abstract]    
Statutory rates in Cayman Islands and BVI 0.00% 0.00%
Statutory rates in Hong Kong 16.50% 16.50%
Statutory rates in PRC 25.00% 25.00%
Temporary tax holiday in the PRC (25.00%) (25.00%)
Foreign earned income not subject to taxes in the Cayman Island (16.50%) (16.50%)
Additional accruals in the PRC 0.00% 0.00%
Effect of valuation allowance 0.00% 0.00%
Effective income tax rate 0.00% 0.00%