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v3.25.1

Contract balances (Details 2) - INR (₨) ₨ in Thousands | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Statements [Line Items] |  |
Balance as at April 1 | ₨ 5,137,360 | ₨ 4,296,441
Revenue recognised that was included in deferred revenue at the beginning of the year | ₨ (2,141,581) | ₨ (1,183,207)

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- Definition Represents the contract liabilities adjustment. + References No definition available. + Details
Name: | sify_ContractLiabilitiesAdjustment
Namespace Prefix: | sify_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Revenue that was included in deferred revenue at beginning of period. + References No definition available. + Details
Name: | sify_RevenueThatWasIncludedInDeferredRevenueAtBeginningOfPeriod
Namespace Prefix: | sify_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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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