Verdict from the Permanent Court of Arbitration | The Daily Star
12:00 AM, July 10, 2014 / LAST MODIFIED: 01:53 AM, March 08, 2015

Verdict from the Permanent Court of Arbitration

Verdict from the Permanent Court of Arbitration

THE International Tribunal for the Law of the Seas (ITLOS) in Hamburg, Germany, gave its judgment on the maritime boundary dispute between Bangladesh and Myanmar (case 16), on March 14, 2012. The judgment was given according to Article 287 of the United Nations Conference on the Law of the Sea of 1982 (UNCLOS III), which states that, member states can settle their disputes through any of the following means:
(a) the International Tribunal for the Law of the Sea established in accordance with Annex VI;
(b) the International Court of Justice;
(c) an arbitral tribunal constituted in accordance with Annex VII;
(d) a special arbitral tribunal constituted in accordance with Annex VIII for one or more of the categories of disputes specified therein.
Bangladesh's objection to Indian claim was filed with the UN's Permanent Court of Arbitration based in The Hague, Netherlands as per Article 287(c). Indian claims overlapped some of our shallow and deep sea blocks within and beyond 200 nm from our baselines.  The Permanent Court of Arbitration (PCA) gave verdict on July 7, 2014 on maritime disputes between India and Bangladesh.

Figure 1: Bathymetry of the Bay of Bengal (Smith & Sandwell 1997) with Demarcation Lines
Figure 1: Bathymetry of the Bay of Bengal (Smith & Sandwell 1997) with Demarcation Lines

Law of the Sea
The present Law of the Sea is the outcome of United Nations Conference on the Law of the Sea of 1958 (UNCLOS I), UNCLOS II of 1960 and UNCLOS III of 1982. According to the UNCLOS III Articles 3 & 15, every State has the right to establish the breadth of its Territorial Sea up to a limit not exceeding 12 nautical miles, measured from baselines in the line of low water tide along the seashore of a state. As per Article 17, ships of all states, whether coastal or land-locked, enjoy the right of innocent passage through the territorial sea. Article 33 gives authority of a state on certain other matters to further 12 nautical miles called Contiguous Zone. Article 55 allows an Exclusive Economic Zone, an area beyond and adjacent to the territorial sea, where the coastal State has sovereign rights for the purpose of exploring and exploiting, conserving and managing the natural resources. As per Article 57, this exclusive economic zone shall not extend beyond 200 nautical miles from the baselines. UNCLOS III of 1982 in its Article 76 gives rights to the coastal states to own some more areas beyond the exclusive economic zone called the Continental Shelf.  

Bangladesh Baselines

Figure 2: PCA & ITLOS Delimitation Lines
Figure 2: PCA & ITLOS Delimitation Lines

The Bangladesh coast from its boundary with India on Hariabhanga estuary to Kutubdia consists of many rising islands of mud. This is because about 1,400 million metric tons of silt is being carried down annually by the Bangladeshi rivers from their upper catchments, of which the major amount is deposited into the sea. As there is no definite shoreline, Bangladesh drew its boundary limits with India during 1980s by following the silt flow line from Hariabhanga estuary to the Swatch of no Ground, and then another line along the 180 degree azimuth southward (Line A Figure 1). India wants to continue the silt flow line southward from Hariabhanga, which cuts across some exploration blocks of Bangladesh in the shallow and deep seas (Line B Figure 1). It may be mentioned that maritime cartographer V.L. Forbes drew the maritime boundary of Bangladesh with India by one straight line from Hariabhanga estuary along 180 degree azimuth southward (Line C Figure 1).  
The Tribunal for Bangladesh & Myanmar drew (para 202, 204) baselines for both the countries. For Bangladesh, one line was from Mandarbaria Island (east of Hariabhanga estuary) to the Kutubdia Island and the other from Kutubdia to Naf River (land boundary terminus with Myanmar). The western boundary of the relevant area was drawn by a straight line from the Mandarbaria point towards south along 180 degree azimuth (Line C Figure 1). The relevant area was estimated 283,471 sq km on the sea, of which Bangladesh was awarded 111,631 sq km and Myanmar 171,832 sq km areas.

Exclusive Economic Zone & Continental Shelf
Bangladesh argued in ITLOS Case 16 that (para 213), on account of the specific configuration of its coast in the northern part of the Bay of Bengal, and of the double concavity characterising it, the Tribunal should apply angle-bisector method in delimiting the maritime boundary between Bangladesh and Myanmar. Bangladesh claimed (para 217) its  exclusive economic zone (EEZ) and the continental shelf (CS) by a delimitation line through the angle-bisector method, specifically through 215 degree azimuth line from 12 nm south of the St Martins Island. The tribunal limiting to12 nm Territorial Sea around St Martins Island (para 337) shifted the end of Bangladesh baseline at the outfall of Naf River. The tribunal however decided to deflect the equidistance line (para 340) for delimitation of the continental shelf, in view of the geographic circumstances of the case (para 329), to 215 degree azimuth to the southwest. The tribunal's final judgment (paragraphs 500-505) states that the delimitation line along 215 degree azimuth shall continue until it reaches the area where the rights of third States may be affected (Line E Figure 1).

Maritime Boundary with India
Though the Tribunal in Hamburg awarded 111,631 sq km area of the Bay of Bengal to Bangladesh, some part of it was claimed by India. We argued on natural prolongation stated as per Article 76 of UNCLOS III on the basis of bathymetric map of the Bengal depositional system. On that argument, India has no right anywhere to the east of Swatch of No Ground (Line D Figure 1), as sediment from Indian Territory does not reach there.
The verdict given by the PCA in The Hague on maritime disputes between India and Bangladesh is roughly shown by the line F in Figure 2. This verdict (Article 509) has fixed three delimitation points from the land boundary terminus: (1) 21°38′40.2″N, 89°09′20.0″E (2) 21°26′43.6″N, 89°10′59.2″E & (3) 21°07′44.8″N, 89°13′56.5″E. From the third point it will be along a geodetic line that has an initial azimuth of 177°30´00˝ until it meets the Bangladesh Myanmar delimitation line. According to media reports, Bangladesh could keep 19,467 sq km out of India's claim of 25,602 sq km of area. The verdict arrived with four votes to one as Dr. P.S. Rao concurring in part and dissenting in part.
Though this verdict (Figure 2) has given an equitable solution to the conflicting parties, it has led Bangladesh to a sea lock position somewhere beyond 200 nm of its Continental Shelf. In that case we have to go to the high seas through neighbour's waters. However, use of the superjacent waters of one country by another country for some specific purposes, i.e., navigation and over-flight, laying of submarine cables and pipelines, etc., remain allowed as per Articles 56, 58, 78 and 79, and in some other provisions of UNCLOS II. 

The writer is Chairman, Institute of Water & Environment.  Email:

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