Bhimbor Deori (1903-1947) remains a pivotal yet insufficiently explored figure in the history of India's struggle for independence and the political evolution of Assam. A multifaceted individual-lawyer, tribal rights advocate, parliamentarian, and nationalist leader, Deori played a crucial role in mobilising the plain tribal communities of Assam and was instrumental in countering colonial and Muslim League efforts to incorporate the province into the proposed state of Pakistan. This review synthesises the available biographical, historical, and political information to construct a comprehensive profile of the Deori. It critically examines his early life and the discriminatory incident that catalysed his public career, his foundational role in institutionalising tribal politics through the Assam Backwards Plains Tribal League, his tenure as a Legislative Councillor and Minister, and his strategic collaboration with Gopinath Bordoloi. This article analyses a significant duality in his legacy: his simultaneous advocacy for Indigenous self-determination and his unwavering commitment to a unified Indian nation. It also interrogates the ideological tensions between his advocacy for tribal "homelands" and his Indian nationalism. Finally, this article identifies significant gaps in the existing scholarship, which relies heavily on commemorative sources, and proposes concrete avenues for future archival and critical research to fully integrate Jananeta Bhimbor Deori into the broader historiography of modern South Asia.