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Andaman offshore minerals · Project intelligence

Andaman offshore minerals: two exploration blocks enter composite-licence auction

Sewell Rise-01 and West Sewell Ridge-01 open a strategic exploration pathway across more than 1,632 square kilometres.

TLGS Research & Perspective4 October 20262 min readBP-20261004-07
Physical scopeMore than 1,632 sq km · two offshore blocks
Responsible institution / ownerMinistry of Mines
Development stageProject Preparation

The executive brief

The decision in front of the business.

Build an exploration and technology consortium around block-specific economics and environmental obligations.

01Build an exploration and technology consortium around block-specific economics and environmental obligations.

02Exploration risk, offshore recovery capability and commercial mineral processing must be assessed together. A licence auction creates an entry route; it does not establish reserves, a bankable mine plan or an assured offtake market. Investors should use the block dossiers to define technical work and staged capital commitments.

03Assess block dossiers, consortium roles and offshore operating capability.

First published
Underlying event
Source checked
Newly AddedMining, Metals & Critical MineralsProject PreparationBids Open · Composite-licence auction
Industry, model and participation detailsMining, Metals & Critical MineralsPower, Energy & RenewablesInvestment/JVTechnology PartnershipMinistry of Mines · Administering and auction authority

Sewell Rise-01 / West Sewell Ridge-01 · Composite-licence auction: Bids Open · recorded closing 28/12/2026, 5:00:00 pm IST · checked 4 October 2026

Development context

The facts that shape the opportunity.

The development

The Ministry launched composite-licence auctions on 1 October. Polymetallic nodules and crusts host cobalt, nickel, manganese, copper and rare earth elements. The pre-bid conference is scheduled for 4 November; document purchase closes 21 December and bid submission 28 December at 17:00 IST.

Ministry of Mines ↗

TLGS assessment

Commercial and operating implications.

Commercial implications

Exploration risk, offshore recovery capability and commercial mineral processing must be assessed together. A licence auction creates an entry route; it does not establish reserves, a bankable mine plan or an assured offtake market. Investors should use the block dossiers to define technical work and staged capital commitments.

Participation and execution

Indian investors, offshore specialists and technology providers can structure partnerships around exploration, seabed characterisation and responsible extraction. Equipment and processing suppliers should map the licence holder and its later procurement rather than treat the auction as an equipment order.

From insight to action

Priorities for leadership.

Investors and offshore technology businesses

Assess block dossiers, consortium roles and offshore operating capability.

Project and investment teams

Align environmental diligence, exploration budgets and decision gates.

Project and policy milestones

What changes the next decision.

Block dossiers, pre-bid clarifications and the auction result define subsequent decisions.

Reference documents

Sources and further reading.

  1. Official releaseAuction of Sewell Rise-01 and West Sewell Ridge-01 ↗Ministry of Mines · 1 October 2026

    Primary record for the stated scope, stage and institutional responsibilities.

Connected business questions.