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v3.22.1

Share-based payments (Details Textual) | 1 Months Ended | 12 Months Ended |
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Jan. 20, 2015 | Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2016 | Jul. 31, 2014 shares
Statement [Line Items] |  |  |  |  |  |  |  |  |
Number of share options granted in share-based payment arrangement |  | 195,000 | 465,000 | 7,220,000 |  |  |  |  |
Associate Stock Option Plan 2014 [Member] |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |
Number of shares reserved for issue under options and contracts for sale of shares |  |  |  |  |  |  |  |  | 25,000,000
Number of share options granted in share-based payment arrangement | 5,870,800 | 195,000 | 465,000 | 7,220,000 | 335,000 | 150,000 | 525,000 | 184,300 |
Options Plan One [Member] |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |
Description of vesting requirements for share-based payment arrangement |  | 4,304,600 Options (Option Plan I): 3/5th of the options vest at the end of one year from the date of grant. The remaining 2/5th vests at the end of every half year during second and third years from the date of grant in four equal instalments |  |  |  |  |  |  |
Options Plan Two [Member] |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |
Description of vesting requirements for share-based payment arrangement |  | 6,612,700 Options (Option Plan II): 2/5th of the options vest at the end of one year from the date of grant. The remaining 3/5th vests at the end of every half year during second, third and fourth years in six equal instalments |  |  |  |  |  |  |
Options Plan Three [Member] |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |
Description of vesting requirements for share-based payment arrangement |  | 4,027,800 Options (Option Plan III): 2/5th of the options vest at the end of two years from the date of grant. The remaining 3/5th vests at the end of every half year during third, fourth and fifth years in six equal instalments. |  |  |  |  |  |  |

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- Definition The description of the vesting requirements for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The number of shares reserved for issue under options and contracts for the sale of shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph a -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_vii&doctype=Standard -URIDate 2021-03-24 + Details
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