v3.26.1
Financial instruments (Details)
₨ in Millions, $ in Millions
Mar. 31, 2026
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
INR (₨)
Mar. 31, 2024
INR (₨)
Assets        
Cash and cash equivalents ₨ 4,098 $ 43 ₨ 4,997 ₨ 4,106
Trade receivables 12,648 134 10,916  
Other investments 1,405 15 1,229  
Liabilities        
Bank overdraft 0 0 326 487
Lease liabilities 3,902   3,810 ₨ 3,043
Other financial liabilities 4,030 $ 43 52  
6% Compulsorily Convertible Debentures 2,063   0  
Financial assets at carrying value, class [member]        
Assets        
Cash and cash equivalents 4,098   4,997  
Other bank balances 974   1,761  
Trade receivables 12,648   10,916  
Other financial assets 3,027   2,712  
Investments 1,405   1,229  
Financial assets at fair value, class [member]        
Assets        
Cash and cash equivalents 4,098   4,997  
Other bank balances 974   1,761  
Trade receivables 12,648   10,916  
Other financial assets 3,027   2,712  
Investments 1,405   1,229  
Financial liabilities at carrying value, class [member]        
Liabilities        
Bank overdraft 0   326  
Lease liabilities 3,902   3,810  
Other financial liabilities 3,387   2,220  
Borrowings from banks 25,094   20,925  
Supplier finance arrangements 4,011   4,106  
Borrowings from others 6,999   5,689  
Trade and other payables 7,455   8,052  
6% Compulsorily Convertible Debentures 4,000   6,260  
8.95% Non - convertible Debentures 2,500   2,500  
Financial liabilities at fair value, class [member]        
Liabilities        
Bank overdraft 0   326  
Lease liabilities 3,902   3,810  
Other financial liabilities 3,387   2,220  
Borrowings from banks 25,094   20,925  
Supplier finance arrangements 4,011   4,106  
Borrowings from others 6,999   5,689  
Trade and other payables 7,455   8,052  
6% Compulsorily Convertible Debentures 4,000   6,260  
8.95% Non - convertible Debentures 2,500   2,500  
Financial liabilities at amortized costs [member]        
Liabilities        
Bank overdraft 0   326  
Lease liabilities 3,902   3,810  
Other financial liabilities 3,387   2,220  
Borrowings from banks 25,094   20,925  
Supplier finance arrangements 4,011   4,106  
Borrowings from others 6,999   5,689  
Trade and other payables 7,455   8,052  
6% Compulsorily Convertible Debentures 4,000   6,260  
8.95% Non - convertible Debentures 2,500   2,500  
Financial liabilities at FVTPL [member]        
Liabilities        
Bank overdraft 0   0  
Lease liabilities 0   0  
Other financial liabilities 0   0  
Borrowings from banks 0   0  
Supplier finance arrangements 0   0  
Borrowings from others 0   0  
Trade and other payables 0   0  
6% Compulsorily Convertible Debentures 0   0  
8.95% Non - convertible Debentures 0   0  
Financial liabilities at FVTOCI [member]        
Liabilities        
Bank overdraft 0   0  
Lease liabilities 0   0  
Other financial liabilities 0   0  
Borrowings from banks 0   0  
Supplier finance arrangements 0   0  
Borrowings from others 0   0  
Trade and other payables 0   0  
6% Compulsorily Convertible Debentures 0   0  
8.95% Non - convertible Debentures 0   0  
Financial assets at amortized costs [member]        
Assets        
Cash and cash equivalents 4,098   4,997  
Other bank balances 974   1,761  
Trade receivables 12,648   10,916  
Other financial assets 3,018   2,693  
Investments 447   404  
Financial assets at FVTPL [member]        
Assets        
Cash and cash equivalents 0   0  
Trade receivables 0   0  
Other financial assets 9   19  
Investments 0   0  
Financial assets at FVTOCI [member]        
Assets        
Cash and cash equivalents 0   0  
Trade receivables 0   0  
Other financial assets 0   0  
Investments ₨ 958   ₨ 825