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Employee benefits (Details 6) - INR (₨) ₨ in Thousands | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Not later than one year [Member] |  |
Expected benefit payments in next few years [Abstract] |  |
Estimate of contributions expected to be paid to plan for next annual reporting period | ₨ 79,980 | ₨ 72,898
Later than two year and not later than five year [Member] |  |
Expected benefit payments in next few years [Abstract] |  |
Estimate of contributions expected to be paid to plan for next annual reporting period | 276,238 | 237,283
Later than six year and not later than ten year [Member] |  |
Expected benefit payments in next few years [Abstract] |  |
Estimate of contributions expected to be paid to plan for next annual reporting period | 176,697 | 157,127
Later than ten years [Member] |  |
Expected benefit payments in next few years [Abstract] |  |
Estimate of contributions expected to be paid to plan for next annual reporting period | ₨ 97,318 | ₨ 86,437

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- Definition The estimate of the expected contributions to be made to a defined benefit plan for the next annual reporting period. [Refer: Defined benefit plans [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 147 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_147_b&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 148 -Subparagraph d -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_148_d_iii&doctype=Standard -URIDate 2024-03-27 + Details
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