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Prepaid Assets (Tables)
12 Months Ended
Mar. 31, 2022
Other Assets [Abstract]  
Schedule of prepaid assets
  

As of

March 31,

  

As of

March 31,

 
   2022   2021 
Prepayments for advertising or marketing  $5,485,325   $4,909,840 
Prepayment of celebrity endorsement fee   141,774    228,265 
Total  $5,627,099   $5,138,105