v3.26.1
Nature of Expense (Details) - INR (₨)
₨ in Millions
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Income Statement Nature of Expense [Line Items]      
Employee benefits [1] ₨ 59,909 ₨ 55,800 ₨ 50,300
Depreciation expense 12,620 [2] 10,505 9,576
Amortisation expense 7,985 6,553 5,265
Cost of revenues [Member]      
Income Statement Nature of Expense [Line Items]      
Employee benefits [1] 14,955 15,662 15,101
Depreciation expense 8,603 [2] 7,111 6,742
Amortisation expense 0 0 0
Selling, general and administrative expenses [Member]      
Income Statement Nature of Expense [Line Items]      
Employee benefits [1] 38,495 33,805 29,235
Depreciation expense 2,650 [2] 2,099 1,707
Amortisation expense 7,934 6,502 5,220
Research and development expenses [Member]      
Income Statement Nature of Expense [Line Items]      
Employee benefits [1] 6,459 6,333 5,964
Depreciation expense 1,367 [2] 1,295 1,127
Amortisation expense ₨ 51 ₨ 51 ₨ 45
[1] Refer to Note 26 regarding the impact of the New Labour Codes during the year ended March 31, 2026.
[2] During the year ended March 31, 2026, the Company capitalized depreciation cost of Rs.150 with respect to qualifying assets under Property, plant and equipment.