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Reclassification Out of Accumulated Other Comprehensive Income (OCI) by Income line Item and the Related Tax Effect (Detail) ₨ in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2019 INR (₨)	Mar. 31, 2019 USD ($)	Mar. 31, 2018 INR (₨)
Available for sale debt securities:
Net of income tax	₨ (1,895.5)		₨ (8,455.1)
Available for Sale Securities
Available for sale debt securities:
Net of income tax	(1,895.5)		(8,455.1)
Reclassification out of Accumulated Other Comprehensive Income | Available for Sale Securities
Available for sale debt securities:
Realized (gain)/loss on sales of available for sale debt securities, net	(3,994.6)	$ (57.8)	(13,145.7)
Other than temporary impairment losses on available for sale debt securities	1,081.0	15.6	149.1
Total before income tax	(2,913.6)	(42.2)	(12,996.6)
Income tax	1,018.1	14.7	4,541.5
Net of income tax	₨ (1,895.5)	$ (27.5)	₨ (8,455.1)

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- Definition

Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), excluding other-than-temporary impairment (OTTI).

+ References

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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss).

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