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Tax Effects of Significant Temporary Differences (Detail) ₨ in Millions, $ in Millions | Mar. 31, 2017 INR (₨) | Mar. 31, 2017 USD ($) | Mar. 31, 2016 INR (₨)
--- | --- | --- | ---
Deductible temporary differences: |  |  |
Allowance for loan losses | ₨ 19,491.1 | $ 300.6 | ₨ 14,396.4
Investments, others | 265.2 | 4.1 | 0.0
Derivatives | 633.2 | 9.8 | 497.2
Employee benefits | 1,666.7 | 25.7 | 1,579.6
Others | 3,453.0 | 53.1 | 3,146.1
Deferred tax asset | 25,509.2 | 393.3 | 19,619.3
Taxable temporary differences: |  |  |
Property and equipment | 1,196.1 | 18.4 | 935.2
Loan origination cost | 2,883.5 | 44.5 | 2,291.2
Investments, others | 0.0 | 0.0 | 117.3
Unrealized gain on securities available for sale | 13,367.7 | 206.1 | 5,583.4
Intangible assets | 0.7 | 0.0 | 1.7
Deferred tax liability | 17,448.0 | 269.0 | 8,928.8
Net deferred tax asset (liability) | ₨ 8,061.2 | $ 124.3 | ₨ 10,690.5

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