Share-based payments (Tables)

12 Months Ended

Mar. 31, 2021

Disclosure of Share-based payments [Abstract]

Disclosure of summary of modification [text block]

The summary of modification is as follows:

No of options (Live as on March 31, 2021)	Original Exercise period	Revised Exercise period
15,67,278	19-Jan-21	19-Jan-23
15,900	23-Apr-21	23-Apr-23
5,000	19-Oct-22	19-Oct-23

Disclosure of number and weighted average exercise prices of share options [text block]

As the number of stock options and the price of those options were made known to each allottee, the Plan has been considered as a fixed price grant. Stock option activity under the ASOP 2014 and ASOP 2007 Plan is as follows:

				Weighted					Weighted					Weighted
				average					average					average
No. of options granted,	Number of			exercise		Number of			exercise		Number of			exercise
exercised and forfeited	options			price in ₹		options			price in ₹		options			price in ₹
	2021			2021		2020			2020		2019			2019
Outstanding at the beginning of the year		11,056,100			70.90		4,588,300			78.84		5,180,440			78.79
Granted during the year		465,000			118.05		7,220,000			89.55		335,000			115.79
Forfeited during the year		(726,000	)		81.43		(673,300	)		67.55		(467,440	)		79.10
Expired during the year		-			-		-			-		-			-
Exercised during the year		(3,014,822	)		81.43		(78,900	)		67.55		(459,700	)		79.10
Outstanding at the end of the year		7,780,278			86.13		11,056,100			70.90		4,588,300			78.84
Exercisable at the end of the year		6,582,070			81.99		4,281,090			77.92		4,441,848			78.28

Disclosure of number and weighted average remaining contractual life of outstanding share options [text block]

A summary of information about fixed price stock options outstanding with respect to ASOP 2014 is furnished below:

				Weighted					Weighted
	Range of	Number		average		Weighted average	Number		average
	exercise price	outstanding on		exercise price		remaining	exercisable on		exercise price
As at	in ₹	March 31		in ₹		contractual life	March 31		In ₹
March 31, 2021	57.66 - 152.56		7,780,278		86.13	0.55 - 4.83 years		6,582,070		86.13
March 31, 2020	57.66 - 146.23		11,056,100		70.90	0.80 - 4.84 years		4,281,090		70.90
March 31, 2019	57.66 - 146.23		4,588,300		78.84	0.80 - 5.84 years		4,441,848		78.84

Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]

The assumptions used in Black Scholes model to arrive at the fair value on grant date for the options granted during the year are summarised below:

Grant date	May 5, 2020	'Jan 28, 2021
Category	Category III	Category III
Current market price	75.65	169.52
Exercise price	68.08	152.56
Expected term	2-5 years	2-5 years
Volatility	52.08% to 90.94%	66.40% to 135.87%
Dividend yield	12%	12%
Discount rate	1%	1%