Orchids
| Set / Name of Stamp | Date of Issue | Denomination | Image |
|---|---|---|---|
| Orchids: Cymbidium devonianumOctober 12, 1991 | October 12, 1991 | Rs. 6.50 |   |
| Orchids: Vanda spathulataOctober 12, 1991 | October 12, 1991 | Rs. 5 |   |
| Orchids: Cymbidium bicolourOctober 12, 1991 | October 12, 1991 | Rs. 4 |   |
| Orchids: Aerides crispumOctober 12, 1991 | October 12, 1991 | Rs. 3 |   |
| Orchids: Paphiopedilum venustumOctober 12, 1991 | October 12, 1991 | Rs. 2.50 |   |
| Orchids: Cymbidium aloifoliumOctober 12, 1991 | October 12, 1991 | Rs. 1 |   |