Legal matters - Additional Information (Detail) ₨ in Millions, $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
|
Mar. 31, 2025
INR (₨)
Mws
|
Mar. 31, 2025
USD ($)
Mws
|
Mar. 31, 2024
INR (₨)
|
Mar. 31, 2023
INR (₨)
|
|
| Legal Matters [Line Items] | ||||
| Trade receivables (refer Note 9) | ₨ 24,268 | $ 284 | ₨ 21,856 | ₨ 30,687 |
| Dispute With Southern Power Distribution Company of Andhra Pradesh Limited | ||||
| Legal Matters [Line Items] | ||||
| Trade receivables (refer Note 9) | ₨ 3,627 | 3,064 | ||
| Dispute With Southern Power Distribution Company of Andhra Pradesh Limited | AP Entities | ||||
| Legal Matters [Line Items] | ||||
| PPA cumulative capacity of MW | Mws | 777 | 777 | ||
| Trade receivables (refer Note 9) | ₨ 5,237 | ₨ 4,598 | ||
| Percentage rate of refund amounts deducted with an interest | 12 |