| PTC Series A1b | -- | -- | Provisional [ICRA]A(SO) | -- |
| PTC Series A1a | -- | -- | Provisional [ICRA]AA(SO) | -- |
| PTC Series A1 | -- | -- | [ICRA]AA+(SO) | -- |
| PTC Series A1 | -- | -- | [ICRA]AA-(SO) | -- |
| PTC Series A1 | -- | -- | [ICRA]AA+(SO) | -- |
| PTC Series A1 | -- | -- | [ICRA]AA(SO) | -- |
| PTC Series A1 | -- | -- | Provisional [ICRA]AA- (SO) | -- |
| PTC Series A | -- | -- | Provisional [ICRA]AA- (SO) | -- |
| PTC Series A1 | -- | -- | Provisional [ICRA]A+ (SO) | -- |
| PTC Series A1 | -- | -- | Provisional [ICRA]AA- (SO) | -- |