Interest-bearing loans and borrowings - long term - Summary of Optionally Convertible Debentures (Unsecured) Terms of Conversion of OCDs (Detail) - Optionally Convertible Debentures Unsecured ₨ in Millions |
12 Months Ended |
|---|---|
|
Mar. 31, 2026
INR (₨)
shares
| |
| Disclosure Of Detailed Information About Unsecured Optionally Convertible Debentures [Line items] | |
| Interest coupon rate | 8.00% |
| ReNew Surya Ojas Private Limited | |
| Disclosure Of Detailed Information About Unsecured Optionally Convertible Debentures [Line items] | |
| Tenure (years) | 30 years |
| Total proceeds | ₨ | ₨ 4,478 |
| Maturity date | May 31, 2053 and July 5, 2053 |
| Number Of Debentures | shares | 245,404,555 |
| Interest coupon rate | 8.00% |
| Terms | One equity share will be issued for each OCD on the maturity date (1:1) at the option of holder subject to shareholding pattern remain constant |