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Equity (Details) - shares | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Disclosure of Equity [Abstract] |  |  |
Issued as at April 01 | 182,238,069 | 179,223,247 | 179,144,347
Issued for cash | 0 | 0 | 0
Issued for consideration other than cash | 0 | 0 | 0
Exercise of share options | 504,300 | 3,014,822 | 78,900
Issued as at March 31 | 182,742,369 | 182,238,069 | 179,223,247

X
- Definition The increase (decrease) in the number of shares outstanding. [Refer: Number of shares outstanding] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2021-03-24 + Details
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Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of shares issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard -URIDate 2021-03-24 + Details
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Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | sify_
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- Definition The number of shares issued by entity for cash. + References No definition available. + Details
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Namespace Prefix: | sify_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- Definition The number of shares issued by entity for other than cash. + References No definition available. + Details
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Namespace Prefix: | sify_
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Balance Type: | na
Period Type: | instant