| PTC Series A1 | -- | -- | [ICRA]AA(SO) | -- |
| PTC Series A1 | -- | -- | Withdrawn | -- |
| PTC Series A1 | -- | -- | [ICRA]AAA(SO) | -- |
| PTC Series A2 | -- | -- | [ICRA]AA+(SO) | -- |
| PTC Series A1 | -- | -- | [ICRA]AA+(SO) | -- |
| PTC Series A1 | -- | -- | [ICRA]AA+(SO) | -- |
| PTC Series A1 | -- | -- | [ICRA]AAA(SO) | -- |
| PTC Series A1 | -- | -- | [ICRA]AAA(SO) | -- |
| PTC Series A1 | -- | -- | [ICRA]AA(SO) | -- |
| PTC Series A1 | -- | -- | [ICRA]AA+(SO) | -- |