| PTC Series A | -- | -- | [ICRA]AAA(SO) | -- |
| PTC Series A | -- | -- | [ICRA]AAA(SO) | -- |
| Long-term bank lines | -- | -- | [ICRA]AA(Stable) | -- |
| Long Term Market Linked Debenture | -- | -- | [ICRA]AA(Stable)PP-MLD | -- |
| Non-Convertible Debentures | -- | -- | [ICRA]AA(Stable) | -- |
| PTC Series A | -- | -- | [ICRA]AAA(SO) | -- |
| Subordinated Debt | -- | -- | [ICRA]AA(Stable) | -- |
| PTC Series A | -- | -- | Withdrawn | -- |
| PTC Series A | -- | -- | Withdrawn | -- |
| PTC Series A | -- | -- | Withdrawn | -- |