Correct Answer - Option 3 : Munda
The correct answer is Munda.
- Freedom fighter Poto Sardar was a Munda.
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Munda:- Munda is an ethnic group. They mostly live in Odisha, West Bengal and Jharkhand.
- They are one of India's largest scheduled tribes.
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Oraon:- The Oraon tribe also called Kurukh is a Dravidian ethnic group residing mainly in the states of West Bengal, Jharkhand, Odisha and Chhattisgarh.
- This speaks the Kurukh language.
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Nagbansi:- They were the rulers of Chotanagpur since the beginning of the Christian era.
- The first nagvanshi king was Phani Mukut Rai.
- He was the founder of the Nagvanshi dynasty.