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Financial instruments (Tables)

12 Months Ended

Mar. 31, 2018

Schedule of Derivative Instruments

The following table presents the aggregate notional principal amounts of the Bank’s outstanding forward exchange and other derivative contracts as of March 31, 2017 and March 31, 2018, together with the fair values on each reporting date.

		As of March 31, 2017
		Notional				Gross Assets				Gross Liabilities				Net Fair Value
		(In millions)
Interest rate derivatives		Rs.	2,391,507.8			Rs.	9,099.4			Rs.	8,722.7			Rs.	376.7
Forward rate agreements			—				—				—				—
Currency options			189,005.0				2,072.5				2,066.0				6.5
Currency swaps			142,555.8				4,154.6				4,084.1				70.5
Forward exchange contracts			4,699,301.4				123,890.6				130,187.7				(6,297.1	)
Total		Rs.	7,422,370.0			Rs.	139,217.1			Rs.	145,060.5			Rs.	(5,843.4	)

		As of March 31, 2018
		Notional				Gross Assets				Gross Liabilities				Net Fair Value				Notional				Net Fair Value
		(In millions)
Interest rate derivatives		Rs.	3,084,700.1			Rs.	10,618.3			Rs.	9,520.9			Rs.	1,097.4			US$	47,376.7			US$	16.9
Forward rate agreements			2,073.1				2.5				2.6				(0.1	)			31.8				—
Currency options			234,613.3				1,863.1				2,361.6				(498.5	)			3,603.3				(7.7	)
Currency swaps			161,301.3				4,929.0				4,882.5				46.5				2,477.4				0.7
Forward exchange contracts			4,344,675.7				33,423.4				39,357.1				(5,933.7	)			66,728.2				(91.1	)
Total		Rs.	7,827,363.5			Rs.	50,836.3			Rs.	56,124.7			Rs.	(5,288.4	)		US$	120,217.4			US$	(81.2	)

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

The following table summarizes certain information related to derivative amounts recognized in income:

		Non-interest revenue, net – Derivatives for the years ended  March 31,
		2016				2017				2018				2018
		(In millions)
Interest rate derivatives		Rs.	(1,063.1	)		Rs.	399.3			Rs.	1,027.5			US$	15.8
Forward rate agreements			2.1				1.2				0.5				—
Currency options			413.4				677.7				(15.0	)			(0.2	)
Currency swaps			829.5				(2,453.4	)			(1,706.9	)			(26.2	)
Forward exchange contracts			14,885.3				(4,363.3	)			7,436.5				114.2
Total gains/(losses)		Rs.	15,067.2			Rs.	(5,738.5	)		Rs.	6,742.6			US$	103.6

Amounts Subject to Enforceable Netting Arrangements

		As of March 31, 2017
		Amounts subject to enforceable netting arrangements
		Effects of offsetting on balance sheet												Related amounts not offset
		Gross Amounts				Amounts offset				Net amounts reported in the balance sheet				Financial instruments				Financial collateral (1)				Net amount
		(In millions)
Financial assets
Derivative assets		Rs.	139,217.1			Rs.	—			Rs.	139,217.1			Rs.	106,010.2			Rs.	2,911.9			Rs.	30,295.0
Securities purchased under agreements to resell			50,000.0				—				50,000.0				—				50,000.0				—
Financial liabilities
Derivative liabilities		Rs.	145,060.5			Rs.	—			Rs.	145,060.5			Rs.	106,010.2			Rs.	2,772.7			Rs.	36,277.6
Securities sold under repurchase agreements			—				—				—				—				—				—

(1) Comprised of securities and cash collaterals. These amounts are limited to the asset/liability balance, and accordingly, do not include excess collateral received/pledged.

		As of March 31, 2018
		Amounts subject to enforceable netting arrangements
		Effects of offsetting on balance sheet												Related amounts not offset
		Gross Amounts				Amounts offset				Net amounts reported in the balance sheet				Financial instruments				Financial collateral (1)				Net amount
		(In millions)
Financial assets
Derivative assets		Rs.	50,836.3			Rs.	—			Rs.	50,836.3			Rs.	34,782.9			Rs.	4,297.0			Rs.	11,756.4			US$	180.6
Securities purchased under agreements to resell			650,018.6				—				650,018.6				—				650,018.6				—
Financial liabilities
Derivative liabilities		Rs.	56,124.7			Rs.	—			Rs.	56,124.7			Rs.	34,782.9			Rs.	378.3			Rs.	20,963.5			US$	322.0
Securities sold under repurchase agreements			138,000.0				—				138,000.0				—				138,000.0				—				—

(1) Comprised of securities and cash collaterals. These amounts are limited to the asset/liability balance, and accordingly, do not include excess collateral received/pledged.

Amounts Subject to Enforceable Netting Arrangements

		As of March 31, 2017
		Amounts subject to enforceable netting arrangements
		Effects of offsetting on balance sheet												Related amounts not offset
		Gross Amounts				Amounts offset				Net amounts reported in the balance sheet				Financial instruments				Financial collateral (1)				Net amount
		(In millions)
Financial assets
Derivative assets		Rs.	139,217.1			Rs.	—			Rs.	139,217.1			Rs.	106,010.2			Rs.	2,911.9			Rs.	30,295.0
Securities purchased under agreements to resell			50,000.0				—				50,000.0				—				50,000.0				—
Financial liabilities
Derivative liabilities		Rs.	145,060.5			Rs.	—			Rs.	145,060.5			Rs.	106,010.2			Rs.	2,772.7			Rs.	36,277.6
Securities sold under repurchase agreements			—				—				—				—				—				—

(1) Comprised of securities and cash collaterals. These amounts are limited to the asset/liability balance, and accordingly, do not include excess collateral received/pledged.

		As of March 31, 2018
		Amounts subject to enforceable netting arrangements
		Effects of offsetting on balance sheet												Related amounts not offset
		Gross Amounts				Amounts offset				Net amounts reported in the balance sheet				Financial instruments				Financial collateral (1)				Net amount
		(In millions)
Financial assets
Derivative assets		Rs.	50,836.3			Rs.	—			Rs.	50,836.3			Rs.	34,782.9			Rs.	4,297.0			Rs.	11,756.4			US$	180.6
Securities purchased under agreements to resell			650,018.6				—				650,018.6				—				650,018.6				—
Financial liabilities
Derivative liabilities		Rs.	56,124.7			Rs.	—			Rs.	56,124.7			Rs.	34,782.9			Rs.	378.3			Rs.	20,963.5			US$	322.0
Securities sold under repurchase agreements			138,000.0				—				138,000.0				—				138,000.0				—				—

(1) Comprised of securities and cash collaterals. These amounts are limited to the asset/liability balance, and accordingly, do not include excess collateral received/pledged.

Schedule of Guarantor Obligations

Details of guarantees and documentary credits outstanding are set out below:

		As of March 31,
		2017				2018				2018
		(In millions)
Nominal values:
Bank guarantees:
Financial guarantees		Rs.	202,430.1			Rs.	237,417.3			US$	3,646.4
Performance guarantees			166,964.2				214,088.3				3,288.1
Documentary credits			359,613.7				395,452.7				6,073.6
Total		Rs.	729,008.0			Rs.	846,958.3			US$	13,008.1
Estimated fair values:
Guarantees		Rs.	(2,339.2	)		Rs.	(2,825.4	)		US$	(43.4	)
Documentary credits			(340.2	)			(406.1	)			(6.2	)
Total		Rs.	(2,679.4	)		Rs.	(3,231.5	)		US$	(49.6	)

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