Employee benefit plans - Summary of Principal Assumptions Used in Determining Gratuity (Details)	12 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Discount rate	7.39%
Rate of increase in compensation per annum	10.00%
Retirement age (in years)	60 years	60 years
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate		7.26%
Rate of increase in compensation per annum		10.00%
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate		7.18%
Rate of increase in compensation per annum		5.50%

Defined benefit plan assumptions used calculating net periodic benefit cost retirement period.

No definition available.

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

+ Details

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- Definition

Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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