v3.26.1
Share Based Payment - Additional Information (Detail)
2 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
shares
$ / shares
Mar. 31, 2025
USD ($)
shares
$ / shares
Mar. 31, 2026
USD ($)
shares
EmployeeStockOption
yr
StockOption
$ / shares
Mar. 31, 2025
USD ($)
shares
yr
StockOption
$ / shares
Mar. 31, 2024
USD ($)
shares
StockOption
$ / shares
Mar. 31, 2023
$ / shares
shares
Mar. 31, 2022
shares
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     0 121,232 0    
Share based payment expense for options recognized under personnel expenses | $     $ 22,976,000 $ 36,018,000 $ 36,963,000    
Equity-settled share based payment (refer note 33) | $     $ 22,976,000 $ 36,018,000 $ 36,963,000    
Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     284,853 578,796 829,578    
Vesting conditions     Refer notes Refer notes Refer notes    
RSU exercised during the year     394,872 1,165,497 3,383,113    
Weighted average exercise price | $ / shares $ 0.0005 $ 0.0005 $ 0.0005 $ 0.0005 $ 0.0005 $ 0.0005  
Weighted average contractual life in years     3 years 2 months 12 days 4 years 4 years 3 months 18 days    
Share based payment expense for options recognized under personnel expenses | $     $ 22,838,000 $ 35,927,000 $ 36,936,000    
Equity-settled share based payment (refer note 33) | $     22,838,000 35,927,000 36,936,000    
Restricted Stock Units [Member] | Bottom of Range [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Grant date fair value of RSUs | $ $ 74.59 $ 55 74.59 55 24    
Restricted Stock Units [Member] | Top of Range [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Grant date fair value of RSUs | $ $ 101.62 $ 105.29 $ 101.62 $ 105.29 $ 55.42    
At the end of three years [Member] | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
RSUs expiry     expiry of 36 months from the grant date expiry of 36 months from the grant date expiry of 36 months from the grant date    
At the end of four years [Member] | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     25.00% 25.00% 25.00%    
RSUs expiry     expiry of 48 months from the grant date expiry of 48 months from the grant date expiry of 48 months from the grant date    
Fully Vested | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     335 4,403 48,063    
Upward adjustments in number of RSUs based on performance of grants         138,615 138,615 138,615
Fully vested and expire on Six Months [member] | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     6,093 13,379 0    
Vesting period from grant date     6 months        
Tranche | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     210,347 301,167 571,784    
Tranche | At the end of one year [Member] | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     25.00% 25.00% 25.00%    
RSUs expiry     expiry of 12 months from the grant date expiry of 12 months from the grant date expiry of 12 months from the grant date    
Tranche | At the end of two years [Member] | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     25.00% 25.00% 25.00%    
RSUs expiry     expiry of 24 months from the grant date, expiry of 24 months from the grant date, expiry of 24 months from the grant date,    
Tranche | At the end of three years [Member] | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     25.00% 25.00% 25.00%    
Tranche | Vesting Period Of Four Years [Member] | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Vesting conditions     vesting over 4 years vesting over 4 years vesting over 4 years    
Tranche Three [Member] | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     0 0 209,731    
Vesting conditions     100% vesting on September 30, 2026        
Percentage of maximum shares employees are eligible to receive     150.00%        
Tranche Five [Member] | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Vesting percentage     100.00%        
Tranche Six [Member] | Restricted Stock Units [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     68,078 0 0    
Vesting conditions     100% vesting during the quarter ended September 30, 2028        
Employee Stock Options [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Options granted     0        
Weighted average exercise price | $ / shares $ 2,229 $ 2,229 $ 2,229 $ 2,229 $ 2,229    
Weighted average contractual life in years     3 years 8 months 12 days 4 years 8 months 12 days 1 year 4 months 24 days    
Description of employee stock options     Each ESOP represents the right to receive one hundred common equity shares of the Group.        
Simplotel Plan 2015 [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     161 0 192    
Weighted average exercise price | $ / shares 0.11 0.12 $ 0.11 $ 0.12 $ 0.12    
Weighted average contractual life in years     10 years 1 month 6 days 9 years 6 months 10 years    
Share based payment expense for options recognized under personnel expenses | $     $ 9,000 $ 22,000 $ 1,000    
Equity-settled share based payment (refer note 33) | $     $ 9,000 $ 22,000 $ 1,000    
Simplotel Plan 2015 [Member] | At the end of three years [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Vesting conditions     remaining 3 years        
Simplotel Plan 2015 [Member] | Vesting Period Of One Years [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     10.00%        
Simplotel Plan 2015 [Member] | Vesting Period Of Four Years [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     40.00%        
Vesting conditions     vesting over 4 years        
Number of Stock Options Graded | StockOption     161 0 192    
Simplotel Plan 2015 [Member] | Vesting Period of Two Years [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     20.00%        
Simplotel Plan 2015 [Member] | Vesting Period of Three Years [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     30.00%        
Two Thousand And Twenty Two B M F Employee Stock Option Plan [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     1,333 476 2,490    
BMF ESOPs [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Weighted average exercise price | $ / shares 0.11 0.12 $ 0.11 $ 0.12 $ 0.12    
Weighted average contractual life in years     11 years 10 months 24 days 11 years 8 months 12 days 10 years 7 months 6 days    
Number of Stock Options Graded | StockOption     1,333 476 498    
BMF ESOPs [Member] | Vesting Period Of One Years [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     50.00%        
BMF ESOPs [Member] | Vesting Period Of Four Years [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Vesting conditions     vesting over 2 years        
BMF ESOPs [Member] | Vesting Period of Two Years [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     50.00%        
Number of Stock Options Graded | StockOption     0 0 1,992    
BMF ESOPs under BMF Plan 2022 [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     1,333 476 2,490    
Weighted average exercise price | $ / shares 0.11 0.12 $ 0.11 $ 0.12 $ 0.12    
Share based payment expense for options recognized under personnel expenses | $     $ 4,000 $ 7,000 $ 26,000    
Savaari ESOPs [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Weighted average exercise price | $ / shares $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01    
Weighted average contractual life in years     4 years 5 years 6 years 1 month 6 days    
Number of instruments settled under share-based payment arrangement | EmployeeStockOption     15,704        
Payment of cash consideration under share-based payment arrangement | $     $ 122,000        
Savaari ESOPs under Savaari Plan 2013 [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
RSU exercised during the year 1,603 14,101          
Weighted average exercise price | $ / shares $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01    
Savaari Plan 2024 [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     4,800 23,308      
Grant date fair value of RSUs | $ $ 13,810 $ 16,480 $ 13,810 $ 16,480      
Weighted average exercise price | $ / shares $ 0.01 $ 0.01 $ 0.01 $ 0.01      
Expected term | yr     3.55 5      
Savaari 2024 ESOP [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Weighted average exercise price | $ / shares $ 0.01 $ 0.01 $ 0.01 $ 0.01      
Weighted average contractual life in years     7 years 8 months 12 days 7 years 6 months      
Share based payment expense for options recognized under personnel expenses | $     $ 125,000 $ 62,000      
Equity-settled share based payment (refer note 33) | $     $ 125,000 $ 62,000      
Savaari 2024 ESOP [Member] | Vesting Period Of One Years [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Number of other equity instruments granted in share-based payment arrangement     0 1,650      
Vesting conditions     vesting on completion of one year        
Vesting percentage     100.00%        
Savaari 2024 ESOP [Member] | Vesting Period Of Five Years [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Vesting conditions     vesting over 5 years        
Number of Stock Options Graded | StockOption     4,800 21,658      
Savaari 2024 ESOP [Member] | Vesting Period Of Twelve Months [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     20.00%        
Savaari 2024 ESOP [Member] | Vesting Period Of Twenty Four Months [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     20.00%        
Savaari 2024 ESOP [Member] | Vesting Period Of Thirty Six Months [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     20.00%        
Savaari 2024 ESOP [Member] | Vesting Period Of Forty Eight Months [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     20.00%        
Savaari 2024 ESOP [Member] | Vesting Period Of Sixty Months [Member]              
Disclosure of terms and conditions of share-based payment arrangement [Line Items]              
Graded percentage     20.00%