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Accounts Receivable (Tables)
 6 Months Ended
Sep. 30, 2022
Receivables [Abstract]  
Schedule of accounts receivable
  

As of
September 30,

  

As of

March 31,

 
   2022   2022 
Accounts receivable, gross  $25,168,865   $27,911,421 
Less: allowance for doubtful accounts   (414,446)   (463,514)
Accounts receivable  $24,754,419   $27,447,907