Earnings per equity share (Tables)

12 Months Ended

Mar. 31, 2026

Earnings Per Share [Abstract]

Weighted-average number of shares


		As of March 31,
		2024				2025				2026
Weighted average number of equity shares used in computing basic earnings per equity share			14,158,592,110				15,255,283,286				15,357,462,189
Effect of potential equity shares for stock options outstanding			56,312,746				63,584,926				48,909,382

Weighted average number of equity shares used in computing diluted earnings per equity share			14,214,904,856				15,318,868,212				15,406,371,571

Reconciliation of Earnings Per Share

The following are reconciliations of basic and diluted earnings per equity share and earnings per ADS.


		Fiscal years ended March 31,
		2024				2025				2026				2026
Basic earnings per share			Rs. 44.33				Rs. 45.01				Rs. 45.89			US$	0.49
Effect of potential equity shares for stock options outstanding			0.17				0.19				0.14				0.01

Diluted earnings per share			Rs. 44.16				Rs. 44.82				Rs. 45.75			US$	0.48

Basic earnings per ADS			Rs. 132.99				Rs. 135.02				Rs. 137.67			US$	1.47
Effect of potential equity shares for stock options outstanding			0.53				0.57				0.42				0.03

Diluted earnings per ADS			Rs. 132.46				Rs. 134.45				Rs. 137.25			US$	1.44