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Employee benefits (Tables) | 12 Months Ended
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Mar. 31, 2022
Disclosure Of Employee Benefits [Abstract] |
Disclosure of detailed information about employee benefits [text block] |
|  | March 31, 202 2 |  |  | March 31, 2021 |
Gratuity payable |  |  | 77,826 |  |  |  | 136,538 |
Compensated absences |  |  | 67,178 |  |  |  | 55,866 |
|  |  | 145,004 |  |  |  | 192,404 |
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, 2022, March 31, 2021 and March 31, 2020 consist of the following:
|  | March 31, 202 2 |  |  | March 31, 2021 |  |  | March 31, 2020 |
Service cost |  |  | 31,865 |  |  |  | 29,854 |  |  |  | 28,929 |
Interest cost |  |  | 10,088 |  |  |  | 8,753 |  |  |  | 10,106 |
Interest income |  |  | (2,303 | ) |  |  | (1,705 | ) |  |  | (1,781 | )
|  |  | 39,650 |  |  |  | 36,902 |  |  |  | 37,254 |
Disclosure of defined benefit plans [text block] | Details of employee benefit obligation and plan asset are as follows:
|  | March 31, 202 2 |  |  | March 31, 2021 |
Projected benefit obligation at the end of the year |  |  | 216,006 |  |  |  | 177,098 |
Plan assets at the end of the year |  |  | (138,268 | ) |  |  | (40,651 | )
Funded status amount of liability recognised in the Balance Sheet |  |  | 77,738 |  |  |  | 136,447 |
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, 202 2 |  |  | March 31, 2021 |  |  | March 31, 2020 |
Projected benefit obligation at the beginning of the year |  |  | 177,098 |  |  |  | 156,412 |  |  |  | 145,108 |
Service cost |  |  | 31,865 |  |  |  | 29,854 |  |  |  | 28,929 |
Interest cost |  |  | 10,088 |  |  |  | 8,753 |  |  |  | 10,106 |
Remeasurements - Actuarial (gain) / loss |  |  | 20,245 |  |  |  | (7,178 | ) |  |  | (12,955 | )
Benefits paid |  |  | (23,290 | ) |  |  | (10,743 | ) |  |  | (14,776 | )
Projected benefit obligation at the end of the year |  |  | 216,006 |  |  |  | 177,098 |  |  |  | 156,412 |
Disclosure of fair value of plan assets [text block] |
Change in plan assets |  | March 31, 202 2 |  |  | March 31, 2021 |  |  | March 31, 2020 |
Fair value of plan assets at the beginning of the year |  |  | 40,651 |  |  |  | 30,474 |  |  |  | 25,498 |
Interest income |  |  | 2,316 |  |  |  | 1,705 |  |  |  | 1781 |
Remeasurements – return on plan assets excluding amounts included in interest income |  |  | 120,000 |  |  |  | 21,214 |  |  |  | (2,138 | )
Employer contributions |  |  | (23,290 | ) |  |  | (10,743 | ) |  |  | 20,109 |
Benefits paid |  |  | (1,409 | ) |  |  | (1,999 | ) |  |  | (14,776 | )
Fair value of plan assets at the end of the year |  |  | 138,268 |  |  |  | 40,651 |  |  |  | 30,474 |
Actual return on plan assets |  |  | 907 |  |  |  | (293 | ) |  |  | (300 | )
Disclosure of actuarial assumptions [text block] | The principal actuarial assumptions as on March 31, 2022, 2021 and 2020 were as follows:
|  | March 31, 202 2 |  |  | March 31, 2021 |  |  | March 31, 2020 |
Discount rate |  |  | 6.35% p.a. |  |  |  | 5.70% p.a. . |  |  |  | 5.60% p.a. |
Long-term rate of compensation increase |  |  | 5.00% p.a. |  |  |  | 5.00% p.a. |  |  |  | 5.00% p.a. |
Expected long term rate of return on plan assets |  |  | 8% for the first year and 5% thereafter |  |  |  | 0% for the first year and 5% thereafter |  |  |  | 0% for the first year and 5% thereafter |
Average future working life time |  |  | 5.51 years |  |  |  | 4.32 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, 202 2 |  |  | March 31, 2021 |
1 Year |  |  | 34,787 |  |  |  | 33,483 |
2 to 5 years |  |  | 124,332 |  |  |  | 105,131 |
6 to 10 years |  |  | 91,562 |  |  |  | 65,222 |
More than 10 years |  |  | 62,294 |  |  |  | 32,479 |
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, 2022 and March 31, 2021, by asset category is as follows:
|  | March 31, 202 2 |  |  | March 31, 20 21 |
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, 2022, 2021 and 2020 are as follows:
|  | March 31, 202 2 |  |  | March 31, 2021 |  |  | March 31, 2020 |
Remeasurements of the net defined benefit liability |  |  |  |  |  |  |  |  |  |  |  |
Actuarial (gain)/loss |  |  |  |  |  |  |  |  |  |  |  |
- Change in demographic assumptions |  |  | 146 |  |  |  | - |  |  |  | (10 | )
- change in financial assumptions |  |  | (402 | ) |  |  | (9,342 | ) |  |  | (12,015 | )
- experience variance |  |  | 21,146 |  |  |  | 2,165 |  |  |  | (929 | )
- return on plan assets, excluding amounts recognized in net interest expense/ income |  |  | 1,172 |  |  |  | 1,999 |  |  |  | 2,138 |
|  |  | 22,062 |  |  |  | (5,178 | ) |  |  | (10,816 | )
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 100 bps (₹ ‘000s) |  |  | Decrease by 100 bps (₹ ‘000s) |  |  | Increase by 100 bps (₹ ‘000s) |  |  | Decrease by 100 bps ( ₹ ‘000s) |
Present Value of Defined Benefit Obligation |  |  | 205,837 |  |  |  | 227,821 |  |  |  | 227,116 |  |  |  | 206,248 |

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- Definition The disclosure of defined benefit plans. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 138 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_138&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The disclosure of the fair value of defined benefit plan assets. [Refer: Plan assets [member]; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 142 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The disclosure of information about the maturity profile of a defined benefit obligation. This will include the weighted average duration of the defined benefit obligation and may include other information about the distribution of the timing of benefit payments, such as a maturity analysis of the benefit payments. [Refer: Defined benefit obligation, at present value] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 147 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_147_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The disclosure of a net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 140 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The disclosure of a sensitivity analysis for significant actuarial assumptions used to determine the present value of a defined benefit obligation. [Refer: Actuarial assumptions [member]; Defined benefit obligation, at present value] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 145 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_145&doctype=Standard -URIDate 2021-03-24 + Details
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