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Deferred tax assets and liabilities (Details 4) - INR (₨) ₨ in Thousands | 12 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Disclosure Of Deferred tax assets and liabilities [Abstract] |  |  |
Profit before income taxes | ₨ 1,862,838 | ₨ 1,600,276 | ₨ 1,019,716
Enacted tax rates in India | 25.17% | 34.94% | 34.94%
Computed expected tax expense / (benefit) | ₨ 468,876 | ₨ 559,209 | ₨ 356,343
Effect of: |  |  |
Share based payment expense not deductible for tax purposes | 0 | 0 | 0
Recognition of previously unrecognised deferred tax asset on temporary differences | (37,923) | (267,566) | 84,588
Difference on account differential tax rates in different jurisdictions | 23,917 | (1,555) | 7,149
Expenses/income not taxable | 0 | 3,491 | 0
Recognition of current year temporary differences |  | (129,500) | (33,028)
Recognition of previously unrecognized tax losses |  |  | (100,713)
Difference on account of differential tax rates in different companies | 0 | (86,987) | 0
Effect of expenses that are not deductible in determining taxable profit | 7,224 | 3,092 |
Unrecognized temporary differences | 14,875 | 2,056 | 0
Utilisation of previously unrecognised temporary differences | (718) | (28,182) | 0
Effect of rate difference in opening and closing deferred tax | 0 | 14,356 | 0
Others | (10,920) | 0 | 0
Reversal of previously recognised temporary differences | 125,591 | 0 | 0
Tax expense (income), continuing operations | ₨ 590,922 | ₨ 68,414 | ₨ 314,339

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- Definition The amount of current tax expense (income) and adjustments for the current tax of prior periods. [Refer: Current tax expense (income); Adjustments for current tax of prior periods] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 80 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of deferred tax expense or income relating to tax rate changes or the imposition of new taxes. [Refer: Deferred tax expense (income)] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 80 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80_d&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that the entity does not separately disclose in the same statement or note. [Refer: Accounting profit; Applicable tax rate] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to changes in the tax rate. [Refer: Accounting profit] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to revenues that are exempt from taxation. [Refer: Accounting profit] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_i&doctype=Standard -URIDate 2021-03-24 + Details
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