Summary of Significant Accounting Policies - Schedule of Concentration of Risks (Details)	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Concentration percentage	10.00%	10.00%
Customer Concentration Risk [Member] | Revenues [Member]
Concentration percentage	16.50%	32.40%
Customer Concentration Risk [Member] | Revenues [Member] | Customer A [Member]
Concentration percentage	16.50%	19.10%
Customer Concentration Risk [Member] | Revenues [Member] | Customer B [Member]
Concentration percentage
Customer Concentration Risk [Member] | Revenues [Member] | Customer C [Member]
Concentration percentage
Customer Concentration Risk [Member] | Revenues [Member] | Customer D [Member]
Concentration percentage		13.30%
Customer Concentration Risk [Member] | Accounts receivable [Member]
Concentration percentage	45.80%	26.50%
Customer Concentration Risk [Member] | Accounts receivable [Member] | Customer A [Member]
Concentration percentage	11.90%	26.50%
Customer Concentration Risk [Member] | Accounts receivable [Member] | Customer B [Member]
Concentration percentage	23.30%
Customer Concentration Risk [Member] | Accounts receivable [Member] | Customer C [Member]
Concentration percentage	10.60%
Customer Concentration Risk [Member] | Accounts receivable [Member] | Customer D [Member]
Concentration percentage