Nagaland Chief Minister Neiphiu Rio on Friday, June 12, 2026, welcomed the execution of a tripartite Memorandum of Understanding between the Government of India, Assam, and Nagaland, calling it 'a momentous step' that paves the way for mineral oil operations in the Disputed Area Belt (DAB) along the Nagaland-Assam border.

Context

In his post on X, CM Rio described the MoU signing — which took place the previous day — as opening a new chapter for hydrocarbon development in a territory long contested by both states. The agreement brings together the central government as a mediating authority alongside the two state governments, reflecting the complexity of resource governance in the region.

The Disputed Area Belt straddles the Assam-Nagaland border and has been at the centre of competing territorial claims since Nagaland's formation as a state in 1963. The presence of oil-bearing zones in this belt has added an economic dimension to what has historically been an ethnic and administrative dispute.

Policy Backdrop

Northeastern India has seen periodic central-government-brokered agreements aimed at unlocking hydrocarbon resources in disputed inter-state zones. Such tripartite frameworks are designed to allow resource extraction to proceed without either state formally conceding territorial claims, effectively ring-fencing economic cooperation from the broader boundary question.

The move also fits within India's wider energy policy objective of boosting domestic crude oil output and reducing dependence on imports. The northeast, with its legacy oil fields and under-explored frontier zones, has been identified as a priority region for stepped-up exploration activity. The North Eastern Council and central ministries have repeatedly flagged the DAB's potential as part of regional development planning.

Stakeholders and Impact

Border communities in both states stand to be directly affected by any mineral oil operations that follow from the MoU. Residents of the DAB have historically lived under administrative ambiguity, and a formal tripartite framework could bring both economic opportunity — in the form of employment and royalty revenues — and environmental scrutiny.

Oil exploration companies operating in the northeast will be watching the agreement closely, as it could open a previously inaccessible belt to licensed operations. The selection of operators and the terms of revenue-sharing between Assam, Nagaland, and the Government of India will be critical details to emerge in the implementation phase. Civil society groups in both states are also likely to engage on questions of land rights and ecological impact.

What's Next

The MoU marks a political commitment, but several procedural steps must follow before operations can begin. These include the selection of exploration and production operators, environmental impact assessments, and any requisite clearances from central regulatory bodies.

Discussions in Parliament and within the North Eastern Council may offer further clarity on timelines and the governance structure for the DAB operations. How both state governments manage local stakeholder expectations — particularly among border communities with long-standing grievances — will shape whether this agreement translates into durable economic benefit or renewed contestation.