Income taxes (Tables)

12 Months Ended

Mar. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

Reconciliations of the differences between the income tax expenses of the Company and the PRC statutory EIT rate applicable to losses of the consolidated entities are as follows:

	Year ended March 31, 2020			Year ended March 31, 2021			Year ended March 31, 2022
	RMB			RMB			RMB
Loss before income taxes		(175,925	)		(193,391	)		(134,812	)
Income tax computed at respective applicable tax rates		(43,981	)		(48,348	)		(33,702	)
Effect of different tax jurisdiction		19,507			14,272			2,341
Super deduction for research and development expenses (a)		(4,719	)		(2,632	)		(1,881	)
Non-deductible expenses		138			140			97
Change in valuation allowance		29,567			37,439			34,716
Total		512			871			1,571

(a) According to the relevant laws and regulations promulgated by the State Administration of Tax of the PRC, from 2018 onwards, enterprises engaging in research and development activities are entitled to claim 175% of their qualified research and development expenses so incurred as tax deductible expenses. The additional deduction of 75% of qualified research and development expenses (the “Super Deduction”) can be directly claimed in the annual EIT filing. For the years end March 31, 2020, 2021 and 2022, the Super Deduction for research and development expenses available to the Company amounted to RMB4.7 million, RMB2.6 million and RMB1.9 million, respectively.

Reconciliations between the effective income tax rate and the PRC statutory income tax rates are as follows: 

	Year ended March 31, 2020			Year ended March 31, 2021			Year ended March 31, 2022
	RMB			RMB			RMB
PRC statutory income tax rates		25	%		25	%		25	%
Tax holiday effect		(3	%)		1	%		3	%
Difference in tax rates of subsidiaries outside PRC		(8	%)		(8	%)		(8	%)
Super deduction for research and development expenses		3	%		1	%		1	%
Non-deductible expenses		0	%		0	%		0	%
Change in valuation allowance		(17	%)		(19	%)		(20	%)
Effective income tax rate		0	%		0	%		1	%

Summary of Income Tax Holiday

The following table sets forth the effect of tax holiday effect on China operations: 

	Year ended March 31, 2020			Year ended March 31, 2021		Year ended March 31, 2022
	RMB			RMB		RMB
Tax holiday effect		(5,471	)		1,074		3,513
Basic and diluted net loss per share effect		(0.25	)		0.02		0.05

Schedule of Components of Income Tax Expense (Benefit)

The current and deferred portions of income tax expenses included in the consolidated statements of comprehensive loss are as follows:

	Year ended March 31, 2020			Year ended March 31, 2021			Year ended March 31, 2022
	RMB			RMB			RMB
Current income tax expense/(benefit)		149			1,018			(582	)
Deferred tax expense/(benefit)		(661	)		(1,889	)		(989	)
Income tax credit, net		(512	)		(871	)		(1,571	)

Schedule of Deferred Tax Assets And Tax Liabilities

Deferred taxes were measured using the enacted tax rates for the periods in which they are expected to be reversed. The tax effects of temporary differences that give rise to the deferred tax asset and liabilities balances as of March 31, 2021 and 2022 are as follows:

	As of March 31, 2021			As of March 31, 2022
	RMB			RMB
Deferred tax assets:
Net accumulated loss-carry forward		143,426			172,059
Deferred deductible advertising expense		940			2,483
Allowance		130			78
Contract liabilities		413			419
Accruals		5,069			2,208
Less: Valuation allowance		(149,978	)		(177,247	)
		—			—
Deferred tax liabilities:
Recognition of intangible assets arising from asset acquisition and business combination		(6,119	)		(5,130	)
Unrealized fair value change of the available-for-sale debt investments		(2,839	)		283
Net deferred tax liabilities		(8,958	)		(4,847	)

Summary of Valuation Allowance

Movement of valuation allowance is as follows:

	As of March 31, 2021		As of March 31, 2022
	RMB		RMB
Beginning balance		112,539		149,978
Change of valuation allowance		37,439		27,269
Ending balance		149,978		177,247