Employee benefits (Tables)

12 Months Ended

Mar. 31, 2021

Disclosure Of Employee Benefits [Abstract]

Disclosure of detailed information about employee benefits [text block]

	March 31, 2021		March 31, 2020
Gratuity payable		136,538		126,080
Compensated absences		55,866		51,319
		192,404		177,399

Disclosure of detailed information about costs recognized in results to increase or decrease in net defined benefit liability asset [text block]

The components of gratuity costs recognized in the consolidated income statement for the years ending March 31, 2021, March 31, 2020 and March 31, 2019 consist of the following:

	March 31, 2021			March 31, 2020			March 31, 2019
Service cost		29,854			28,929			25,936
Interest cost		8,753			10,106			9,606
Interest income		(1,705	)		(1,781	)		(2,381	)
		36,902			37,254			33,161

Disclosure of defined benefit plans [text block]

Details of employee benefit obligation and plan asset are as follows:

Long term rate of compensation increase	March 31, 2021			March 31, 2020
Long term rate of compensation increase		177,098			156,413
Long term rate of compensation increase		(40,651	)		(30,474	)
Long term rate of compensation increase		136,447			125,939

Disclosure of net defined benefit liability (asset) [text block]

The following table set out the status of the gratuity plan:

Change in defined benefit obligation	March 31, 2021			March 31, 2020			March 31, 2019
Projected benefit obligation at the beginning of the year		156,412			145,108			131,687
Service cost		29,854			28,929			25,936
Interest cost		8,753			10,106			9,606
Remeasurements - Actuarial (gain) / loss		(7,178	)		(12,955	)		(5,267	)
Benefits paid		(10,743	)		(14,776	)		(16,854	)
Projected benefit obligation at the end of the year		177,098			156,412			145,108

Disclosure of fair value of plan assets [text block]

Change in plan assets	March 31, 2021			March 31, 2020			March 31, 2019
Fair value of plan assets at the beginning of the year		30,474			25,498			32,567
Interest income		1,705			1781			2,381
Remeasurements – return on plan assets excluding amounts included in interest income		21,214			(2,138	)		(2,596	)
Employer contributions		(10,743	)		20,109			10,000
Benefits paid		(1,999	)		(14,776	)		(16,854	)
Fair value of plan assets at the end of the year		40,651			30,474			25,498
Actual return on plan assets		(293	)		(300	)		(75	)

Disclosure of actuarial assumptions [text block]

The principal actuarial assumptions as on March 31, 2021, 2020 and 2019 were as follows:

	March 31, 2021	March 31, 2020	March 31, 2019
Discount rate	5.70% p.a..	5.60% p.a.	6.95% P.a
Long-term rate of compensation increase	5.00% p.a.	5.00% p.a.	7.00% P.a
Expected long term rate of return on plan assets	0% for the first year and 5% thereafter	0% for the first year and 5% thereafter	7.00% P.a
Average future working life time	4.32 years	4.37 years	4.37 years

Disclosure of information about maturity profile of defined benefit obligation [text block]

The expected benefit payments to be made in the next few years are as under:

Year	March 31, 2021		March 31, 2020
1 Year		33,483		29,441
2 to 5 years		105,131		90,764
6 to 10 years		65,222		58,273
More than 10 years		32,479		30,280

Disclosure of detailed information about weighted average allocation of assets [text block]

Plan assets: The Gratuity plan’s weighted-average asset allocation on March 31, 2021 and March 31, 2021, by asset category is as follows:

	March 31, 2021			March 31, 2020
Funds managed by insurers		100	%		100	%

Disclosure of detailed information about gain or relating to actuarial assumptions recognized in other comprehensive income [text block]

Amount recognized in other comprehensive income for the years ending March 31, 2021, 2020 and 2019 are as follows:

	March 31, 2021			March 31, 2020			March 31, 2019
Remeasurements of the net defined benefit liability
Actuarial (gain)/loss
-   Change in demographic assumptions		-			(10	)		-
-   change in financial assumptions		(9,342	)		(12,015	)		2,358
-   experience variance		2,165			(929	)		(7,625	)
-  return on plan assets, excluding amounts  recognized in net interest expense/ income		1,999			2,138			2,596
		(5,178	)		(10,816	)		(2,671	)

Disclosure of sensitivity analysis for actuarial assumptions [text block]

Sensitivity analysis for the defined benefit obligations will increase/ decrease by the amounts mentioned below if there is a variation of 100 basis points in the discount rate and salary escalation rate.

	Discount rate				Salary escalation rate
	Increase by		Decrease by		Increase by		Decrease by
	100 bps		100 bps		100 bps		100 bps
	(₹ ‘000s)		(₹ ‘000s)		(₹ ‘000s)		(₹ ‘000s)
Present Value of Defined Benefit Obligation		169,401		185,456		185,172		169,472