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Commitments and contingencies (Tables)

12 Months Ended

Mar. 31, 2017

Operating Leases of Lessee Disclosure

The rental expenses and sub-lease income is as follows:

		As of March 31,
		2015				2016				2017				2017
		(In millions)
The total minimum lease expense during the year recognized in the consolidated statement of income		Rs.	8,974.5			Rs.	10,464.6			Rs.	11,548.5			US$	178.1

Schedule of Future Minimum Rental Payments for Operating Leases

The future minimum lease payments as of March 31, 2017 were as follows:

Year ending March 31,		Payments
		(In millions)
2018		Rs.	9,955.4			US$	153.5
2019			8,984.2				138.5
2020			8,511.5				131.2
2021			7,542.9				116.3
2022			6,815.6				105.1
Thereafter			31,549.1				486.5
Total		Rs.	73,358.7			US$	1,131.1

Movement in Provision for Reward Points

The movement in provision for credit card and debit card reward points as of March 31, 2016 and March 31, 2017 is as follows:.

		As of March 31,
		2016				2017				2017
		(In millions)
Opening provision of reward points		Rs.	2,000.7			Rs.	3,063.6			US$	47.2
Provision made during the year			1,482.7				2,786.8				43.0
Utilization/write back of provision			(732.1	)			(2,093.6	)			(32.3	)
Effect of change in rate of accrual of reward points			202.0				242.8				3.7
Effect of change in cost of reward points			110.3				312.8				4.9
Closing provision of reward points		Rs.	3,063.6			Rs.	4,312.4			US$	66.5

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Tabular disclosure of movement in provision for credit card and debit card reward points during the period.

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Tabular disclosure for lessee's operating leases. Includes, but is not limited to, description of lessee's operating lease, existence and terms of renewal or purchase options and escalation clauses, restrictions imposed by lease, such as those concerning dividends, additional debt, and further leasing, rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
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Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
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