v3.26.1
Property, plant and equipment (Details)
₨ in Millions, $ in Millions
 12 Months Ended
Mar. 31, 2026
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
INR (₨)
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance ₨ 97,761    
Impairment 6,038    
Less: Impairment of Capital-work-in-progress (144) [1]   ₨ (1) [2]
Ending Balance 115,930 $ 1,236 97,761
Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 165,542   155,679
Additions 41,243   22,109
Disposals (5,095)   (12,045) [2]
Effect of changes in foreign exchange rates 2,696   (201)
Ending Balance 204,386   165,542
Accumulated Depreciation/Impairment loss [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 92,618   93,255
Depreciation for the year 12,770   10,505
Impairment 1,211 [1]   3 [2]
Disposals (4,513) [1]   (11,024) [2]
Effect of changes in foreign exchange rates 1,636   (121)
Ending Balance 103,722   92,618
Excluding Capital-work-in-progress [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 72,924   62,424
Ending Balance 100,664   72,924
Capital-work-in-progress [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 24,838    
Ending Balance 15,409   24,838
Land [Member] | Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 4,243   4,309
Additions 0   85
Disposals 0   (133) [2]
Effect of changes in foreign exchange rates 103   (18)
Ending Balance 4,346   4,243
Land [Member] | Accumulated Depreciation/Impairment loss [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 0   70
Depreciation for the year 0   0
Impairment 35 [1]   0 [2]
Disposals 0 [1]   (73) [2]
Effect of changes in foreign exchange rates 2   3
Ending Balance 37   0
Land [Member] | Excluding Capital-work-in-progress [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 4,243   4,239
Ending Balance 4,309   4,243
Buildings [member] | Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 34,653   33,032
Additions 12,499   4,972
Disposals (2,960)   (3,502) [2]
Effect of changes in foreign exchange rates 648   151
Ending Balance 44,840   34,653
Buildings [member] | Accumulated Depreciation/Impairment loss [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 14,531   15,654
Depreciation for the year 2,619   2,114
Impairment 375 [1]   0 [2]
Disposals (2,462) [1]   (3,323) [2]
Effect of changes in foreign exchange rates 297   86
Ending Balance 15,360   14,531
Buildings [member] | Excluding Capital-work-in-progress [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 20,122   17,378
Ending Balance 29,480   20,122
Plant and equipment [member] | Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 115,542   107,701
Additions 26,270   14,396
Disposals (1,316)   (6,092) [2]
Effect of changes in foreign exchange rates 1,493   (463)
Ending Balance 141,989   115,542
Plant and equipment [member] | Accumulated Depreciation/Impairment loss [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 70,779   70,064
Depreciation for the year 8,446   6,956
Impairment 716 [1]   3 [2]
Disposals (1,312) [1]   (6,000) [2]
Effect of changes in foreign exchange rates 1,175   (244)
Ending Balance 79,704   70,779
Plant and equipment [member] | Excluding Capital-work-in-progress [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 44,763   37,637
Ending Balance 62,285   44,763
Furniture, fixtures and office equipment [member] | Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 8,241   8,369
Additions 1,289   1,583
Disposals (264)   (1,720) [2]
Effect of changes in foreign exchange rates 209   9
Ending Balance 9,475   8,241
Furniture, fixtures and office equipment [member] | Accumulated Depreciation/Impairment loss [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 6,193   6,456
Depreciation for the year 1,090   1,012
Impairment 85 [1]   0 [2]
Disposals (265) [1]   (1,283) [2]
Effect of changes in foreign exchange rates 175   8
Ending Balance 7,278   6,193
Furniture, fixtures and office equipment [member] | Excluding Capital-work-in-progress [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 2,048   1,913
Ending Balance 2,197   2,048
Vehicles [Member] | Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 2,863   2,268
Additions 1,185   1,073
Disposals (555)   (598) [2]
Effect of changes in foreign exchange rates 243   120
Ending Balance 3,736   2,863
Vehicles [Member] | Accumulated Depreciation/Impairment loss [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 1,115   1,011
Depreciation for the year 615   423
Impairment 0 [1]   0 [2]
Disposals (474) [1]   (345) [2]
Effect of changes in foreign exchange rates 87   26
Ending Balance 1,343   1,115
Vehicles [Member] | Excluding Capital-work-in-progress [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 1,748   1,257
Ending Balance ₨ 2,393   ₨ 1,748
[1] Impairment losses recorded for the year ended March 31, 2026 include the following:   a. Consequent to certain technical challenges in product development, the Company discontinued development of conjugated estrogen at its site in Middleburgh, New York and recorded an impairment loss of Rs.535 in the Company’s Global Generics segment representing the full carrying value of the property, plant and equipment at this site.   In addition, the Company recorded the following impacts in the consolidated income statements:   - Inventory related provisions of Rs.260; - Other development program related wind down costs of Rs.129; and - Gain recognized under Other Income, net from the write back of liabilities no longer required of Rs.877.   b. During the year ended March 31, 2026, the Company has decided to discontinue certain of its research and development programs associated with its Chimeric Antigen Receptor T-cell (CAR-T) therapy portfolio in light of the current development status and recent clinical trial outcomes. Consequent to this decision, the Company has recognized a net loss of Rs.885 relating to property, plant and equipment (including Capital-work-in-progress and Right-of-use assets) in the Company's Global Generic segment.   In addition, the Company recorded the following impacts in the consolidated income statements:   - Impairment of intangible assets Rs.406; and - Other development program related wind down costs under Selling, general and administrative expenses of Rs.59.
[2] This represents the impairment loss recognized on additions made during the year in respect of the Company’s subsidiary, Dr. Reddy’s Laboratories Louisiana, LLC, as the recoverable amount remained lower than the carrying amount. The subsidiary had been fully impaired during the previous year ended March 31, 2022.