Explanation:

- Correct Answer: Option 4 - Karnataka

- Kailpodh is celebrated in Karnataka by the Kodava community, an indigenous group known for their rich culture and traditions.

- This festival marks the end of the agricultural season and serves as a thanksgiving for a bountiful harvest. It is also a time when weapons are worshipped and cleaned as a part of the traditions.

- Option 1 - Odisha

- Odisha is known for its own harvest festivals like Nuakhai, which is significant to the tribal and agrarian communities in the region.

- Option 2 - Madhya Pradesh

- Madhya Pradesh does participate in various local and regional harvest festivals such as Hareli, but Kailpodh is not among them.

- Option 3 - Jharkhand

- In Jharkhand, harvest festivals like Sohrai and Karam are celebrated, particularly by the tribal communities, but not Kailpodh.