The number of share options outstanding in a share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 45
-Subparagraph d
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-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_i&doctype=Standard
-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 45
-Subparagraph b
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_vi&doctype=Standard
-URIDate 2025-03-27

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_vi&doctype=Standard
-URIDate 2025-03-27

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
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-URIDate 2025-03-27

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 31
-Subparagraph b
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_i&doctype=Standard
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+ Details

Employee Stock Incentive Plans - Schedule of general terms of grants under RSU option plans (Detail) - Employee restricted stock unit option plans [member]	12 Months Ended
	Mar. 31, 2026 shares ₨ / shares	Mar. 31, 2025 shares ₨ / shares	Mar. 31, 2024 shares ₨ / shares	Mar. 31, 2026 shares $ / shares	Mar. 31, 2025 shares $ / shares	Mar. 31, 2024 shares $ / shares	Mar. 31, 2023 shares
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Number of outstanding share options \| shares	0	0	7,000	0	0	7,000	11,800
Exercise Price Rs. 2 [Member]
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Number of outstanding share options	19,345,283	18,634,747	7,735,669	19,345,283	18,634,747	7,735,669
Weighted average remaining life (Months)	16 months	18 months	18 months
Weighted average exercise price \| ₨ / shares	₨ 2	₨ 2	₨ 2
Exercise Price US $ 0.03 [Member]
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Number of outstanding share options	36,943,057	36,956,579	18,851,226	36,943,057	36,956,579	18,851,226
Weighted average remaining life (Months)	18 months	19 months	20 months
Weighted average exercise price \| $ / shares				$ 0.03	$ 0.03	$ 0.03