Laccadive Sea in the context of "Kasaragod"

The Indian Ocean is the third-largest of the world's five oceanic divisions, covering 70,560,000 km (27,240,000 sq mi) or approximately 20% of the water area of Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by the Southern Ocean or Antarctica, depending on the definition in use. The Indian Ocean has large marginal or regional seas, including the Andaman Sea, the Arabian Sea, the Bay of Bengal, and the Laccadive Sea.

Geologically, the Indian Ocean is the youngest of the oceans (being directly preceded by the Tethys Ocean, which fragmented into the Mediterranean Sea and the Indian Ocean only 20 million years ago), and it has distinct features such as narrow continental shelves. Its average depth is 3,741 m. It is the warmest ocean, with a significant impact on global climate due to its interaction with the atmosphere. Its waters are affected by the Indian Ocean Walker circulation, resulting in unique oceanic currents and upwelling patterns. The Indian Ocean is ecologically diverse, with important ecosystems such as coral reefs, mangroves, and sea grass beds. It hosts a significant portion of the world's tuna catch and is home to endangered marine species. The climate around the Indian Ocean is characterized by monsoons.

The Arabian Sea (Arabic: بَحرُ ٱلْعَرَبْ, romanized: baḥr al-ʿarab) is a region of sea in the northern Indian Ocean, bounded on the west by the Arabian Peninsula, Gulf of Aden and Guardafui Channel, on the northwest by Gulf of Oman and Iran, on the north by Pakistan, on the east by India, and on the southeast by the Laccadive Sea and the Maldives, on the southwest by Somalia. Its total area is 3,862,000 km (1,491,000 sq mi) and its maximum depth is 5,395 meters (17,700 feet). The Gulf of Aden in the west connects the Arabian Sea to the Red Sea through the strait of Bab-el-Mandeb, and the Gulf of Oman is in the northwest, connecting it to the Persian Gulf.

Kerala is a state on the Malabar Coast of India. It was formed on 1 November 1956 under the States Reorganisation Act, which unified the country's Malayalam-speaking regions into a single state. Covering 38,863 km (15,005 sq mi), it is bordered by Karnataka to the north and northeast, Tamil Nadu to the east and south, and the Laccadive Sea to the west. With 33 million inhabitants according to the 2011 census, Kerala is the 13th-most populous state in India. It is divided into 14 districts, with Thiruvananthapuram as the capital. Malayalam is the most widely spoken language and, along with English, serves as an official language of the state.

Kerala has been a prominent exporter of spices since 3000 BCE. The Chera dynasty, the first major kingdom in the region, rose to prominence through maritime commerce but often faced invasions from the neighbouring Chola and Pandya dynasties. In the 15th century, the spice trade attracted Portuguese traders to Kerala, initiating European colonisation in India.

Tamil Nadu is the southernmost state of India. The tenth largest Indian state by area and the sixth largest by population, Tamil Nadu is the home of the Tamil people, who speak the Tamil language—the state's official language and the first to be recognised as a classical language in India. The capital and largest city is Chennai.

Located on the south-eastern coast of the Indian peninsula, Tamil Nadu is straddled by the Western Ghats and Deccan Plateau in the west, the Eastern Ghats in the north, the Eastern Coastal Plains lining the Bay of Bengal in the east, the Gulf of Mannar and the Palk Strait to the south-east, the Laccadive Sea at the southern cape of the peninsula, with the river Kaveri bisecting the state. Politically, Tamil Nadu is bound by the Indian states of Kerala, Karnataka, and Andhra Pradesh, and encloses a part of the union territory of Puducherry. It shares an international maritime border with the Northern Province of Sri Lanka at Pamban Island.

Lakshadweep (Malayalam: [lɐkʂɐd̪βʷiːbɨ̆]) is a union territory of India. It is an archipelago of 36 islands divided into three island subgroups: the Amindivi Islands in the north, the Laccadive Islands (separated from Amindivi roughly by the 11th parallel north), and the atoll of Minicoy to the south of the Nine Degree Channel. The islands are located between the Arabian Sea to the west and the Laccadive Sea to the east, about 220–440 km (140–270 mi) off the Malabar Coast of mainland India.

The islands occupy a total land area of approximately 32.62 km (12.59 sq mi) with a population of 64,473 as per the 2011 census across the ten inhabited islands. There is a 132 km (82 mi) long coastline with a lagoon area of 4,200 km (1,600 sq mi), territorial waters of 20,000 km (7,700 sq mi) and an exclusive economic zone of 400,000 km (150,000 sq mi). Lakshadweep is the northernmost island group of the exposed undersea mountain range, the Chagos-Lakshadweep Ridge. The entire union territory is administered as a single district with Kavaratti as its capital.

The Gulf of Mannar (/məˈnɑːr/ mə-NAR) (Tamil: மன்னார் வளைகுடா, romanized: Maṉṉār vaḷaikuṭā; Sinhala: මන්නාරම් බොක්ක, romanized: mannāram bokka) is a large shallow bay forming part of the Laccadive Sea in the Indian Ocean with an average depth of 5.8 m (19 ft). It lies between the southeastern tip of India and the west coast of Sri Lanka, in the Coromandel Coast region. The chain of low islands and reefs known as Adam’s Bridge or Rama Setu (Rama’s Bridge), which includes Mannar Island, separates the Gulf of Mannar from Palk Bay, which lies to the north between India and Sri Lanka. The estuaries of Thamirabarani River and Vaippar River of South India and the Malvathu Oya (Malvathu River) of Sri Lanka drain into the Gulf. The dugong (sea cow) is found here.

Palk Strait is a strait between the Indian state of Tamil Nadu and Northern Province of Sri Lanka. It connects the Palk Bay in the Bay of Bengal in the north with the Gulf of Mannar in the Laccadive Sea in the south. It stretches for about 137 km (85 mi) and is 64 to 137 km (40 to 85 mi) wide. It is named after Robert Palk, who was a governor of Madras (1755–1763) during the Company Raj period.

Several rivers including the Vaigai flow into the strait. The strait consists of many islands and is interspersed with a chain of low islands and reef shoals that are collectively called Ram Setu or Adam's Bridge. The shallow waters and reefs make it difficult for large ships to pass through, although fishing boats and small craft navigate the waters. Dredging the sea to make it deeper for navigation and plans for a bridge over the waters have been proposed.