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Financial instruments (Details) ₨ in Thousands, $ in Thousands | Mar. 31, 2025 INR (₨) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 INR (₨) | Mar. 31, 2023 INR (₨)
--- | --- | --- | --- | ---
Assets |  |  |  |  |
Cash and cash equivalents |  | ₨ 4,997,210 | $ 58,391 | ₨ 4,105,489 | ₨ 3,650,446
Other assets |  | 5,554,925 | 64,908 | 4,256,687 |
Trade Receivables | [1] | 10,892,452 |  | 10,155,223 |
Other investments |  | 1,229,808 | 14,370 | 1,203,862 |
Liabilities |  |  |  |  |
Bank overdraft |  | 326,327 | $ 3,813 | 486,888 | 951,504
Lease liabilities |  | 3,810,238 |  | 3,042,839 | ₨ 2,451,179
Other liabilities |  | 15,832 |  | 17,945 |
Financial assets at carrying value, class [member] |  |  |  |  |
Assets |  |  |  |  |
Cash and cash equivalents |  | 6,757,826 |  | 5,834,634 |
Other assets |  | 2,393,363 |  | 2,004,216 |
Trade Receivables |  | 10,892,452 |  | 10,155,223 |
Other receivables |  | 316,403 |  | 157,779 |
Other investments |  | 1,229,808 |  | 1,203,862 |
Financial assets at fair value, class [member] |  |  |  |  |
Assets |  |  |  |  |
Cash and cash equivalents |  | 6,757,826 |  | 5,834,634 |
Other assets |  | 2,393,363 |  | 2,004,216 |
Trade Receivables |  | 10,892,452 |  | 10,155,223 |
Other receivables |  | 316,403 |  | 157,779 |
Other investments |  | 1,229,808 |  | 1,203,862 |
Financial liabilities at carrying value, class [member] |  |  |  |  |
Liabilities |  |  |  |  |
Bank overdraft |  | 326,327 |  | 486,888 |
Lease liabilities |  | 3,810,238 |  | 3,042,839 |
Other liabilities |  | 15,832 |  | 17,945 |
Borrowings from banks |  | 24,324,521 |  | 18,794,380 |
Borrowings from others |  | 3,189,675 |  | 3,564,494 |
Trade and other payables |  | 14,326,158 |  | 11,934,100 |
Other financial liabilities |  |  |  | 1,612,496 |
6% Compulsory Convertible Debentures |  | 6,259,685 |  | 7,156,074 |
6% Non - Cumulative Compulsory convertible preference shares |  |  |  | 500,000 |
8.95% Non - convertible Debentures |  | 2,500,000 |  |  |
Financial liabilities at fair value, class [member] |  |  |  |  |
Liabilities |  |  |  |  |
Bank overdraft |  | 326,327 |  | 486,888 |
Lease liabilities |  | 3,810,238 |  | 3,042,839 |
Other liabilities |  | 15,832 |  | 17,945 |
Borrowings from banks |  | 24,324,521 |  | 18,794,380 |
Borrowings from others |  | 3,189,675 |  | 3,564,494 |
Trade and other payables |  | 14,326,158 |  | 11,934,100 |
Other financial liabilities |  |  |  | 1,612,496 |
6% Compulsory Convertible Debentures |  | 6,259,685 |  | 7,156,074 |
6% Non - Cumulative Compulsory convertible preference shares |  |  |  | 500,000 |
8.95% Non - convertible Debentures |  | 2,500,000 |  |  |
Financial liabilities at amortised costs [member] |  |  |  |  |
Assets |  |  |  |  |
Derivative financial instrument |  |  |  | 0 |
Liabilities |  |  |  |  |
Bank overdraft |  | 326,327 |  | 486,888 |
Lease liabilities |  | 3,810,238 |  | 3,042,839 |
Other liabilities |  | 15,832 |  | 17,945 |
Borrowings from banks |  | 23,424,521 |  | 18,794,380 |
Borrowings from others |  | 3,189,675 |  | 3,564,494 |
Trade and other payables |  | 14,326,158 |  | 11,934,100 |
Derivative financial liabilities |  | 0 |  |  |
Other financial liabilities |  |  |  | 1,612,496 |
6% Compulsory Convertible Debentures |  | 6,259,685 |  | 7,156,074 |
6% Non - Cumulative Compulsory convertible preference shares |  |  |  | 500,000 |
8.95% Non - convertible Debentures |  | 2,500,000 |  |  |
Financial liabilities at FVTPL [member] |  |  |  |  |
Assets |  |  |  |  |
Derivative financial instrument |  |  |  | 0 |
Liabilities |  |  |  |  |
Bank overdraft |  | 0 |  | 0 |
Lease liabilities |  | 0 |  | 0 |
Other liabilities |  | 0 |  | 0 |
Borrowings from banks |  | 0 |  | 0 |
Borrowings from others |  | 0 |  | 0 |
Trade and other payables |  | 0 |  | 0 |
Derivative financial liabilities |  | 0 |  |  |
Other financial liabilities |  |  |  | 0 |
6% Compulsory Convertible Debentures |  | 0 |  | 0 |
6% Non - Cumulative Compulsory convertible preference shares |  |  |  | 0 |
8.95% Non - convertible Debentures |  | 0 |  |  |
Financial liabilities at FVTOCI [member] |  |  |  |  |
Assets |  |  |  |  |
Derivative financial instrument |  |  |  | 0 |
Liabilities |  |  |  |  |
Bank overdraft |  | 0 |  | 0 |
Lease liabilities |  | 0 |  | 0 |
Other liabilities |  | 0 |  | 0 |
Borrowings from banks |  | 0 |  | 0 |
Borrowings from others |  | 0 |  | 0 |
Trade and other payables |  | 0 |  | 0 |
Derivative financial liabilities |  | 0 |  |  |
Other financial liabilities |  |  |  | 0 |
6% Compulsory Convertible Debentures |  | 0 |  | 0 |
6% Non - Cumulative Compulsory convertible preference shares |  |  |  | 0 |
8.95% Non - convertible Debentures |  | 0 |  |  |
Financial assets at amortised costs [member] |  |  |  |  |
Assets |  |  |  |  |
Cash and cash equivalents |  | 6,757,826 |  | 5,834,634 |
Other assets |  | 2,393,363 |  | 2,004,216 |
Trade Receivables |  | 10,892,452 |  | 10,155,223 |
Other receivables |  | 316,403 |  | 157,779 |
Other investments |  | 403,872 |  | 393,453 |
Financial assets at FVTPL [member] |  |  |  |  |
Assets |  |  |  |  |
Cash and cash equivalents |  | 0 |  | 0 |
Other assets |  | 0 |  | 0 |
Trade Receivables |  | 0 |  | 0 |
Other receivables |  |  |  | 0 |
Other investments |  | 0 |  | 0 |
Financial assets at FVTOCI [member] |  |  |  |  |
Assets |  |  |  |  |
Cash and cash equivalents |  | 0 |  | 0 |
Other assets |  | 0 |  | 0 |
Trade Receivables |  | 0 |  | 0 |
Other receivables |  |  |  | 0 |
Other investments |  | ₨ 825,936 |  | ₨ 810,409 |
[1] | Trade receivables as of March 31, 2025 and March 31, 2024 are stated net of allowance for doubtful receivables. The Group maintains an allowance for doubtful receivables based on expected credit loss model. The Group’s exposure to credit and currency risks and impairment losses related to trade and other receivables, excluding construction work in progress is disclosed in note 34. Trade receivables consist of:

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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph B13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of borrowings that the entity does not separately disclose in the same statement or note. [Refer: Borrowings] + 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 trade payables and other payables. [Refer: Trade payables; Other payables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph k -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_k&doctype=Standard -URIDate 2024-03-27 + Details
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