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Other Receivables and Prepayments (Tables)
12 Months Ended
Mar. 31, 2020
Receivables [Abstract]  
Schedule of other receivables and prepayments

   March 31, 2020   March 31, 2019 
Referral services  $98,762   $- 
Advance to service providers   458,702    196,456 
Deposits for leases due within one operating period   1,905    2,982 
Interest receivables   138,432    415,791 
Others   110,796    6,003 
    808,597    621,232 
Allowance for doubtful accounts   (103,433)   - 
   $705,164   $621,232