Sea — Maritime boundary delimitation — Single maritime boundary — Territorial sea — United Nations Convention on the Law of the Sea, 1982 (“UNCLOS”) — Article 15 — Equidistance/special circumstances — Whether suitable base points could be on low-tide elevations — Exclusive Economic Zone — Continental shelf — Continental shelf beyond 200 nautical miles — UNCLOS Articles 74 and 83 — Three-stage approach — Equidistance/relevant circumstances — Proportionality — Relevant coasts — Relevant area — Bay of Bengal — Coastal instability — Concavity of coast — Cut-off effect — Dependence on fishing — Angle-bisector method — Whether geographical configuration of Bay of Bengal warranting use of angle-bisector method — UNCLOS Article 76 — “Grey area” issue — Whether UNCLOS allowing “grey areas”

International tribunals — Arbitration tribunal constituted under UNCLOS Annex VII — United Nations Convention on the Law of the Sea, 1982 — Jurisdiction — Unilateral application — Maritime boundary delimitation — Site visit

Territory — Land boundary terminus — 1947 Radcliffe Award — Whether Radcliffe Award determining land boundary terminus between Bangladesh and India — Maps — Whether a map constituting contemporaneous evidence to be used for determination of land boundary terminus — Whether exchange of letters between Parties constituting binding agreement on their land boundary — Level of seniority of officials concerned