Supplementary Agreement between Sri Lanka and India on the Extension of the Maritime Boundary between the two Countries in the Gulf of Mannar from Position 3M to the Trijunction Point between Sri Lanka, India and Maldives (Point T).

This Agreement determines co-ordinates of the points that, connected by arcs of great circles form the maritime boundary between Sri Lanka and India in the Gulf of Mannar beyond point 3M as defined in the maritime Boundary agreement between the two countries of March 1976 up to the Trijunction point as defined in the trilateral Agreement between Sri Lanka, India and Maldives of July 1976. Parts of the bilateral Agreement cited above shall apply mutatis mutandis to the present Agreement.