| Sub Class | Description |
|---|---|
| A01A | Based on Audbhida (plants) |
| A01B | Based on Jangama (animals) |
| A01C | Pharmaceutical preparations based on Parthiva (minerals) and inorganic/organic ingredients. |
| A01D | Characterised by Roga (Disease) |
| A01E | Characterised by Karm (Action) |
| A01F | Drug Administration |
| A01G | Miscellaneous TKRC Codes |