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Financial instruments (Details 10) - INR (₨) ₨ in Thousands | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Financial liabilities at amortised cost |  |  |
Interest expenses on lease obligations | ₨ (295,589) | ₨ (249,964) | ₨ (191,912)
Financial assets at amortised cost, class [member] |  |  |
Financial assets at amortised cost |  |  |
Interest income on bank deposits | 345,696 | 231,377 | 82,675
Interest income from other financial assets | 43,669 | 29,764 | 55,511
Impairment loss of trade receivables | (198,414) | (265,000) | (371,890)
Financial assets at fair value through profit or loss, category [member] |  |  |
Financial assets at fair value through profit or loss |  |  |
Net change in fair value of derivative financial instruments gain/(loss) | 8,454 | 8,493 | (25,263)
Financial liabilities at amortised cost, class [member] |  |  |
Financial liabilities at amortised cost |  |  |
Interest expenses on lease obligations | (295,589) | (249,964) | (191,912)
Interest expenses on borrowings from banks, others and overdrafts | ₨ (2,281,843) | ₨ (1,738,298) | ₨ (1,652,522)

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- Definition The amount of impairment loss recognised in profit or loss for trade receivables. [Refer: Impairment loss recognised in profit or loss; Trade receivables] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in the fair value measurement of liabilities. [Refer: At fair value [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2024-01-01 -Paragraph 93 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2024-en-r&anchor=para_93_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of interest income on deposits. [Refer: Interest income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of interest income on other financial assets. [Refer: Interest income; Other financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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