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Employee benefits (Details Textual) - INR (₨) ₨ in Thousands | 12 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Disclosure Of Employee Benefits [Abstract] |  |  |
Expected Contributions to plan on gratuity fund, net defined benefit liability asset | ₨ 118,926 |  |
Contributions to plan, net defined benefit liability (asset) | 135,589 | ₨ 114,374 | ₨ 117,941
Contributions to plan by employer, net defined benefit liability (asset) | ₨ 14,339 | ₨ 12,426 |

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- Definition The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_f&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from contributions to a defined benefit plan. [Refer: Net defined benefit liability (asset); Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_f&doctype=Standard -URIDate 2021-03-24 + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from expected contributions to a gratuity fund. + References No definition available. + Details
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