World Environment Day - 1980

- Special Cancellation  on the  Envelope.

- Cancellation depicts "Penguin".

- Occasion: "World Environment Day - 1980".

- Cancelled at Bombay.

- Country: India.

- Date: 04.06.1980.

Help Conserve Wildlife

- Special Cancellation on the Envelope.

- Occasion: "40 Vanya Prani Saptaha".

- Country: India.

- Date: 18.10.1994.

FOREST LODGE Bird Sanctuary in Bharatpur.

- Special Cancellation  on the  Envelope.

- Cancellation depicts "Siberian Crane".

- Cancelled in "Forest Lodge Bird Sanctuary  in  Bharatpur".

- Country: India.

- Date: 23.03.1978.