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v3.25.2

Long-term debt - Long-Term Debt and Related Contractual Rates and Maturity Dates (Detail) ₨ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Mar. 31, 2025 INR (₨) | Mar. 31, 2024 INR (₨) | Mar. 31, 2025 USD ($)
Debt Instrument [Line Items] |  |  |  |
Total |  | ₨ 5,866,163.2 | ₨ 6,648,772.0 | $ 68,666.3
Perpetual debt—(1) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total |  | 137,564.2 |  |
Subordinated debt | Subordinated debt (other than perpetual debt) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total |  | 293,902.2 | 276,600.6 | 3,440.3
Subordinated debt | Perpetual debt—(1) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total |  | ₨ 52,272.7 | ₨ 47,290.8 | $ 611.9
Subordinated debt | Perpetual debt—(2) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates |  | 2027 | 2037 |
Stated interest rates |  | 3.70% | 3.70% | 3.70%
Total |  | ₨ 85,291.5 | ₨ 83,090.7 | $ 998.4
Subordinated debt | Minimum | Subordinated debt (other than perpetual debt) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates |  | 2026 | 2025 |
Stated interest rates |  | 6.67% | 6.67% | 6.67%
Subordinated debt | Minimum | Perpetual debt—(1) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates |  | 2026 | 2029 |
Stated interest rates |  | 7.55% | 7.55% | 7.55%
Subordinated debt | Maximum | Subordinated debt (other than perpetual debt) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates |  | 2035 | 2034 |
Stated interest rates |  | 9.70% | 9.70% | 9.70%
Subordinated debt | Maximum | Perpetual debt—(1) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates |  | 2034 | 2038 |
Stated interest rates |  | 9.40% | 9.40% | 9.40%
Others | Variable rate—(1) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total | [1] | ₨ 581,229.3 | ₨ 479,577.3 | $ 6,803.6
Others | Variable rate—(2) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total | [1] | 623,118.6 | 1,235,079.0 | 7,293.9
Others | Fixed rate-(1) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total | [1] | 3,955,489.6 | 4,313,107.4 | 46,300.8
Others | Fixed rate-(2) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total | [1] | ₨ 274,859.3 | ₨ 214,026.2 | $ 3,217.4
Others | Minimum | Variable rate—(1) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates | [1] | 2026 | 2026 |
Stated interest rates | [1] | 4.92% | 6.10% | 4.92%
Others | Minimum | Variable rate—(2) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates | [1] | 2026 | 2025 |
Stated interest rates | [1] | 6.47% | 6.21% | 6.47%
Others | Minimum | Fixed rate-(1) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates | [1] | 2026 | 2025 |
Stated interest rates | [1] | 2.80% | 2.80% | 2.80%
Others | Minimum | Fixed rate-(2) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates | [1] | 2026 | 2025 |
Stated interest rates | [1] | 4.30% | 5.18% | 4.30%
Others | Maximum | Variable rate—(1) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates | [1] | 2030 | 2029 |
Stated interest rates | [1] | 6.22% | 6.51% | 6.22%
Others | Maximum | Variable rate—(2) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates | [1] | 2032 | 2030 |
Stated interest rates | [1] | 8.60% | 9.00% | 8.60%
Others | Maximum | Fixed rate-(1) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates | [1] | 2034 | 2034 |
Stated interest rates | [1] | 9.05% | 9.60% | 9.05%
Others | Maximum | Fixed rate-(2) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity /Call dates | [1] | 2029 | 2029 |
Stated interest rates | [1] | 8.19% | 8.19% | 8.19%
[1] | Variable rate — (1), Perpetual debt — (2) and Fixed rate — (2) represent foreign currency debt. Variable rate debt is typically indexed to SOFR, T-bill rates, Marginal cost of funds based lending rates (“MCLR”), among others.

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