v3.26.1
Segment reporting (Details 3)
₨ in Millions, $ in Millions
12 Months Ended
Mar. 31, 2026
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
INR (₨)
Mar. 31, 2024
INR (₨)
Disclosure of operating segments [line items]        
Depreciation & amortisation expense ₨ 7,274 $ 77 ₨ 5,633 ₨ 4,773
Network centric services        
Disclosure of operating segments [line items]        
Depreciation & amortisation expense 2,452   2,176 1,980
Data center services        
Disclosure of operating segments [line items]        
Depreciation & amortisation expense 4,474   3,145 2,541
Digital services        
Disclosure of operating segments [line items]        
Depreciation & amortisation expense ₨ 348   ₨ 312 ₨ 252