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Other investments (Details) ₨ in Thousands, $ in Thousands | Mar. 31, 2025 INR (₨) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 INR (₨)
--- | --- | --- | ---
Investment in debt securities - unquoted |  |  |
Investment | ₨ 403,872 |  | ₨ 393,453
Investments in subsidiaries, joint ventures and associates | 1,229,808 | $ 14,370 | 1,203,862
Vashi Railway Station Commercial Complex Limited [Member] |  |  |
Investment in equity instruments - unquoted |  |  |
Investment in equity shares | 150 |  | 150
Sarayu Clean Gen Private Limited [Member] |  |  |
Investment in equity instruments - unquoted |  |  |
Investment in equity shares | 1,560 |  | 1,560
The Gizmo App Company [Member] |  |  |
Investment in debt securities - unquoted |  |  |
Investment | 21,395 |  | 20,843
Tasoula Energy Private Limited [Member] |  |  |
Investment in debt securities - unquoted |  |  |
Investment | 225,000 |  | 225,000
Padvest Corporation [Member] |  |  |
Investment in debt securities - unquoted |  |  |
Investment | 4,279 |  | 4,168
Digifresh Corporation [Member] |  |  |
Investment in debt securities - unquoted |  |  |
Investment | 17,116 |  | 16,640
VEH Srishti Energy Private Limited [Member] |  |  |
Investment in debt securities - unquoted |  |  |
Investment | 375,300 |  | 375,300
Chatter Inc [Member] |  |  |
Investment in debt securities - unquoted |  |  |
Investment | 12,837 |  | 12,506
Passerine Technologies Inc [Member] |  |  |
Investment in debt securities - unquoted |  |  |
Investment | 17,116 |  | 16,675
Cloudfabrix Software Inc [Member] |  |  |
Investment in debt securities - unquoted |  |  |
Investment | 128,372 |  | 125,061
Sylvie Unlimited Inc [Member] |  |  |
Investment in debt securities - unquoted |  |  |
Investment | 12,837 |  | ₨ 12,506
Sunsure Solarpark Eighteen [Member] |  |  |
Investment in debt securities - unquoted |  |  |
Investment | ₨ 9,974 |  |

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