v3.26.1
Segment reporting (Details 1)
₨ in Millions, $ in Millions
Mar. 31, 2026
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
INR (₨)
Mar. 31, 2024
INR (₨)
Disclosure of operating segments [line items]        
Total assets ₨ 90,673 $ 958 ₨ 83,329 ₨ 70,982
Total liabilities 71,740 758 63,200 52,910
Capital employed 18,933 $ 200 20,129 18,072
Network centric services        
Disclosure of operating segments [line items]        
Total assets 24,425   23,927 19,042
Total liabilities 24,145   22,394 19,171
Data center services        
Disclosure of operating segments [line items]        
Total assets 53,028   43,941 38,371
Total liabilities 39,842   32,523 26,539
Digital services        
Disclosure of operating segments [line items]        
Total assets 6,898   8,353 7,576
Total liabilities 7,753   8,283 7,200
Unallocated assets        
Disclosure of operating segments [line items]        
Total assets ₨ 6,322   ₨ 7,108 ₨ 5,993