Explanation:

- Option 1: Koman

- Not commonly associated with shifting cultivation in Orissa.

- Option 2: Podh

- Generally used in parts of Odisha to refer to shifting cultivation.

- It involves clearing forest areas to plant crops.

- Correct Answer: In north Orissa, shifting cultivation is often called "Podh".

- Option 3: Dahya

- A term used in some Indian regions but not specifically for Orissa.

- Option 4: Jhum

- Widely known for shifting cultivation but mostly in Northeast India, not Orissa.