Contract balances (Details Textual) - INR (₨) ₨ in Thousands	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Statement [Line Items]
Contract Costs Capitalised	₨ 374,321	₨ 56,093
Contract costs Amortized	₨ 151,935	₨ 82,130

The amount of contract costs amortised for the period.

No definition available.

Name:	sify_ContractCostsAmortized
Namespace Prefix:	sify_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration