v3.26.1
Share-based payments (Details 6) - INR (₨)
₨ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Bottom of range [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Remaining contractual life for the options outstanding as of (years) 1 month 6 days 1 month 2 days 18 days
Top of range [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Remaining contractual life for the options outstanding as of (years) 1 year 9 months 25 days 2 years 9 months 25 days 3 years 9 months 25 days
SISL Employee Stock Option Plan 2025 [Member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Remaining contractual life for the options outstanding as of (years) 4 years 9 months 18 days    
Fair value for the options granted during the year ended   ₨ 0  
SISL Employee Stock Option Plan 2025 [Member] | Bottom of range [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Fair value for the options granted during the year ended ₨ 38,360    
SISL Employee Stock Option Plan 2025 [Member] | Top of range [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Fair value for the options granted during the year ended ₨ 48,400