Explanation:

- Gond: Predominantly found in Madhya Pradesh, but also in Maharashtra.

- Bhil: Major tribal group in several regions, prominently in Madhya Pradesh and Maharashtra.

- Katkari: Mainly found in Maharashtra, recognized as a Particularly Vulnerable Tribal Group (PVTG).

- Koli Mahadev: Primarily residing in Maharashtra.

- Pradhans: Mainly located in Maharashtra and Madhya Pradesh.

- Madhya Pradesh (Option 1): Home to Gonds and Bhils, among others.

- Gujarat (Option 2): Some Bhils reside here, but less relevant overall.

- Rajasthan (Option 3): Bhils are present but not others mentioned.

- Maharashtra (Option 4): Houses all mentioned tribes prominently, especially Katkari, Koli Mahadev, and Pradhans.

Maharashtra is correct.

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