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Trade and other receivables (Details 2) - INR (₨) ₨ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Disclosure of Allowance for doubtful accounts receivable [Abstract] |  |
Balance at the beginning of the year | ₨ 579,550 | ₨ 480,403
Add : Additional provision, net | 194,814 | 265,000
Less : Bad debts written off | (116,907) | (165,853)
Balance at the end of the year | ₨ 657,457 | ₨ 579,550

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- Definition Additional allowances recognised in profit or loss, allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | sify_AdditionalAllowancesRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | sify_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | sify_AllowancesAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | sify_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | sify_DisclosureOfAllowanceForDoubtfulAccountsReceivableAbstract
Namespace Prefix: | sify_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Reversal allowances account for credit losses of financial assets. + References No definition available. + Details
Name: | sify_ReversalAllowancesAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | sify_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration