Intangible Assets, Net (Details)	12 Months Ended
Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Impaired Assets to be Disposed of by Method Other than Sale, Carrying Value of Asset	$ 758,504	$ 719,722
Land square meters	29,720	29,720
Amortization expense	$ 31,425	$ 16,502	$ 17,076

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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