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v3.25.1

Contract balances (Details 1) - INR (₨) ₨ in Thousands | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Statements [Line Items] |  |
Balance as at April 1 | ₨ 26,536 | ₨ 52,581
Transfers from unbilled revenue recognised at the beginning of the year to receivables | ₨ 26,536 | ₨ 52,581

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- Definition The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer, when that right is conditioned on something other than the passage of time (for example, the entity’s future performance). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 105 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_105&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 116 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_116_a&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Statements [Line Items] + References No definition available. + Details
Name: | sify_StatementsLineItems
Namespace Prefix: | sify_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Transfers from unbilled revenue recognised at the beginning of the year to receivables. + References No definition available. + Details
Name: | sify_TransfersFromUnbilledRevenueRecognisedAtTheBeginningOfTheYearToReceivables
Namespace Prefix: | sify_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration