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Taxes (Details) - Schedule of statutory effective tax rate | 12 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2019
Schedule of statutory effective tax rate [Abstract] |  |  |  |
Statutory PRC income tax rate |  | 25.00% | 25.00% | 25.00%
Favorable tax rate impact | [1] | (7.90%) | (6.30%) | (11.10%)
Permanent difference |  | 0.80% | (4.60%) | (1.60%)
Change in valuation allowance |  | (2.90%) | (29.00%) | (3.60%)
Effective tax rate |  | 15.00% | (14.90%) | 8.70%
[1] | Distance Learning is subject to a favorable tax rate of 15%; Shanghai Xia Shu, Shanghai Xin Fu, Hunan Huafu, Nanjing Suyun, Guizhou Huafu, Fuzhou Huafu, Liaoning Huafu and Huafu Silu are subject to a favorable tax rate of 10%.

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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