Explanation:

- The International Union for Conservation of Nature (IUCN) assesses the conservation status of species.

- Red Sanders, also known as Red Sandalwood, is a valuable tree species known for its rich red wood.

- Option 2: Endangered category means the species is at a very high risk of extinction in the wild. This implies significant threats affecting its population.

- Option 1: Deficient category indicates insufficient data to assess its risk level.

- Option 3: Near-threatened category suggests the species may be considered threatened in the near future.

- Option 4: Critically endangered category refers to an extremely high risk of extinction in the wild.

Correct Answer: Option 2 - Endangered category