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v3.25.2

Insurance services - Summary of Information Regarding Total DAC by Line of Business (Detail) ₨ in Millions, $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 INR (₨) | Mar. 31, 2025 INR (₨) | Mar. 31, 2025 USD ($)
Separate Account, Liability [Line Items] |  |  |
Opening balance | ₨ 0.0 | ₨ 60,531.9 | $ 708.6
Capitalizations | 64,390.0 | 104,803.0 | 1,226.8
Amortization | (2,971.3) | (13,463.0) | (157.6)
Experience Adjustment | (886.8) | (3,696.3) | (43.3)
Closing balance | 60,531.9 | 148,175.6 | $ 1,734.5
Non Participating Protection [Member] |  |  |
Separate Account, Liability [Line Items] |  |  |
Opening balance | 0.0 | 4,717.3 |
Capitalizations | 4,808.8 | 5,956.9 |
Amortization | (62.0) | (259.1) |
Experience Adjustment | (29.5) | (228.5) |
Closing balance | 4,717.3 | 10,186.6 |
Nonparticipating Life Insurance Contract [Member] |  |  |
Separate Account, Liability [Line Items] |  |  |
Opening balance | 0.0 | 15,886.0 |
Capitalizations | 16,176.8 | 34,826.9 |
Amortization | (277.3) | (1,911.8) |
Experience Adjustment | (13.5) | (885.4) |
Closing balance | 15,886.0 | 47,915.7 |
Non Par Pension [Member] |  |  |
Separate Account, Liability [Line Items] |  |  |
Opening balance | 0.0 | 225.9 |
Capitalizations | 236.5 | 218.9 |
Amortization | (10.6) | (40.0) |
Experience Adjustment | 0.0 | (2.3) |
Closing balance | 225.9 | 402.5 |
Fixed Annuity [Member] |  |  |
Separate Account, Liability [Line Items] |  |  |
Opening balance | 0.0 | 1,798.1 |
Capitalizations | 1,818.0 | 2,828.1 |
Amortization | (19.9) | (106.9) |
Experience Adjustment | 0.0 | (2.6) |
Closing balance | 1,798.1 | 4,516.7 |
Par Health [Member] |  |  |
Separate Account, Liability [Line Items] |  |  |
Opening balance |  | 0.0 |
Capitalizations |  | 0.1 |
Amortization |  | 0.0 |
Experience Adjustment |  | 0.0 |
Closing balance | 0.0 | 0.1 |
Par Life [Member] |  |  |
Separate Account, Liability [Line Items] |  |  |
Opening balance | 0.0 | 12,782.1 |
Capitalizations | 13,035.1 | 20,087.6 |
Amortization | (253.0) | (1,088.1) |
Experience Adjustment | 0.0 | (754.7) |
Closing balance | 12,782.1 | 31,026.9 |
Par Pension Insurance Product [Member] |  |  |
Separate Account, Liability [Line Items] |  |  |
Opening balance | 0.0 | 152.4 |
Capitalizations | 162.0 | 390.7 |
Amortization | (9.6) | (49.2) |
Experience Adjustment | 0.0 | (6.5) |
Closing balance | 152.4 | 487.4 |
UL Life [Member] |  |  |
Separate Account, Liability [Line Items] |  |  |
Opening balance | 0.0 | 12,219.0 |
Capitalizations | 12,940.6 | 21,425.5 |
Amortization | (608.8) | (3,229.4) |
Experience Adjustment | (112.8) | (1,183.2) |
Closing balance | 12,219.0 | 29,231.9 |
UL pension [Member] |  |  |
Separate Account, Liability [Line Items] |  |  |
Opening balance | 0.0 | 200.6 |
Capitalizations | 207.2 | 1,483.8 |
Amortization | (6.1) | (110.9) |
Experience Adjustment | (0.5) | (41.8) |
Closing balance | 200.6 | 1,531.7 |
Group No Par Life Insurance [Member] |  |  |
Separate Account, Liability [Line Items] |  |  |
Opening balance | 0.0 | 12,550.5 |
Capitalizations | 15,005.0 | 17,584.5 |
Amortization | (1,724.0) | (6,667.6) |
Experience Adjustment | (730.5) | (591.3) |
Closing balance | ₨ 12,550.5 | ₨ 22,876.1 |

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