Sri Lanka Medical

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about Sri Lanka

Sri Lanka , officially the Democratic Socialist Republic of Sri Lanka and known as Ceylon before 1972, is an island country in South Asia, located about 31 kilometers (19.3 mi) off the southern coast of India, a nation of which it shares common culture, language and religion.

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As a result of its location in the path of major sea routes, Sri Lanka is a strategic naval link between West Asia and South East Asia. It has also been a center of the Buddhist religion and culture from ancient times and is one of the few remaining abodes of Buddhism in South Asia, including Ladakh, Bhutan and the Chittagong Hill Tracts, as well as being a bastion of Hinduism. The Sinhalese community forms the majority of the population; Tamils, who are concentrated in the north and east of the island, form the largest ethnic minority. Other communities include Moors, Burghers, Kaffirs, Malays and the indigenous Vedda people.
The country is famous for the production and export of tea, coffee, coconuts, rubber and cinnamon - which is native to the country. The natural beauty of Sri Lanka's tropical forests, beaches and landscape, as well as its rich cultural heritage, make it a world famous tourist destination.
After over two thousand years of rule by local kingdoms, parts of Sri Lanka were colonized by Portugal and the Netherlands beginning in the 16th century, before control of the entire country was ceded to the British Empire in 1815. During World War II, Sri Lanka served as an important base for Allied forces in the fight against the Japanese Empire. A nationalist political movement arose in the country in the early 20th century with the aim of obtaining political independence, which was eventually granted by the British after peaceful negotiations in 1948.
Geography and climate
The island of Sri Lanka lies in the Indian Ocean, to the southwest of the Bay of Bengal. It is separated from the Indian subcontinent by the Gulf of Mannar and the Palk Strait. According to Hindu mythology, a land bridge to the Indian mainland, known as Rama's Bridge, was constructed during the time of Rama by the vanara architect Nala. Often referred to as Adam's Bridge, it now amounts to only a chain of limestone shoals remaining above sea level.
According to colonial British reports, this is a natural causeway which was formerly complete, but was breached by a violent storm in 1480. The island consists mostly of flat-to-rolling coastal plains, with mountains rising only in the south-central part. Amongst these is the highest point Pidurutalagala, reaching 2,524 meters (8,281 ft) above sea level.
The climate of Sri Lanka can be described as tropical and warm. Its position between 5 and 10 north latitude endows the country with a warm climate moderated by ocean winds and considerable moisture. The mean temperature ranges from about 16 °C (60.8 °F) in the Central Highlands, where frost may occur for several days in the winter, to a maximum of approximately 33 °C (91.4 °F) in other low-altitude areas. The average yearly temperature ranges from 28 °C (82.4 °F) to nearly 31 °C (87.8 °F). Day and night temperatures may vary by 4 °C (7.20 °F) to 7 °C (12.60 °F). During the coldest days of January, many people wear coats and sweaters in the highlands and elsewhere.

Climate

May, the hottest period, precedes the summer monsoon rains. The rainfall pattern is influenced by monsoon winds from the Indian Ocean and Bay of Bengal: as the winds encounter the mountain slopes of the Central Highlands, they unload heavy rains on the slopes and the southwestern areas of the island. Some of the windward slopes receive up to 2,500 millimeters (98.4 in) of rain each month, but the leeward slopes in the east and northeast receive little rain. Periodic squalls occur and sometimes tropical cyclones bring overcast skies and rains to the southwest, northeast, and eastern parts of the island.
Between December and March, monsoon winds come from the northeast, bringing moisture from the Bay of Bengal. Humidity is typically higher in the southwest and mountainous areas and depends on the seasonal patterns of rainfall, and places like Colombo experience daytime humidity above 70% all year round, rising to almost 90% during the monsoon season in June. Anuradhapura experiences a daytime low of 60% during the monsoon month of March, but a high of 79% during the November and December rains. In the highlands, Kandy's daytime humidity usually ranges between 70% and 79%.

Flora and Fauna

The mountains and the southwestern part of the country, known as the "wet zone", receive ample rainfall at an average of 2,500 mm (98 in). Most of the east, southeast, and northern parts of the country comprise the "dry zone", which receives between 1,200 mm (47 in) and 1,900 mm (75 in) of rain annually. Much of the rain in these areas falls from October to January; during the rest of the year there is very little precipitation. The arid northwest and southeast coasts receive the least amount of rain at 600 mm (24 in) to 1,200 mm (47 in) per year.
Varieties of flowering acacias are well adapted to the arid conditions and flourish on the Jaffna Peninsula. Among the trees of the dry-land forests, are some valuable species such as satinwood, ebony, ironwood, mahogany and teak. In the wet zone, the dominant vegetation of the lowlands is a tropical evergreen forest, with tall trees, broad foliage, and a dense undergrowth of vines and creepers. Subtropical evergreen forests resembling those of temperate climates flourish in the higher altitudes.
The Yala National Park in the southeast protects herds of elephant, deer, and peacocks, and the Wilpattu National Park in the northwest preserves the habitats of many water birds, such as storks, pelicans, ibis, and spoonbills. During the Mahaweli Ganga Program of the 1970s and 1980s in northern Sri Lanka, the government set aside four areas of land totaling 1,900 km2 (730 sq mi) as national parks. The island has four biosphere reserves, Bundala, Hurulu Forest Reserve, the Kanneliya-Dediyagala-Nakiyadeniya, and Sinharaja.
The national flower of Sri Lanka is the Nymphaea stellata (Sinhalese Nil Mahanel), the national tree is the Ironwood (Sinhalese Na), and the national bird is the Sri Lanka Junglefowl, which is endemic to the country.

History

Paleolithic human settlements have been discovered at excavations in several cave sites in the Western Plains region and the South-western face of the Central Hills region. Anthropologists believe that some discovered burial rites and certain decorative artifacts exhibit similarities between the first inhabitants of the island and the early inhabitants of Southern India. Recent bioanthropological studies have however dismissed these links, and have placed the origin of the people to the northern parts of India.
One of the first written references to the island is found in the Indian epic Ramayana, which described the emperor Ravana as monarch of the powerful kingdom of Lanka, which was created by the divine sculptor Vishwakarma for Kubera, the treasurer of the Gods. English historian James Emerson Tennent also theorized Galle, a southern city in Sri Lanka, was the ancient seaport of Tarshish from which King Solomon is said to have drawn ivory, peacocks and other valuables. The main written accounts of the country's history are the Buddhist chronicles of Mahavansa and Dipavamsa.
The earliest-known inhabitants of the island now known as Sri Lanka were probably the ancestors of the Wanniyala-Aetto people, also known as Veddahs and numbering roughly 3,000. Linguistic analysis has found a correlation of the Sinhalese language with the languages of the Sindh and Gujarat, although most historians believe that the Sinhala community emerged well after the assimilation of various ethnic groups.
From the ancient period date some remarkable archaeological sites including the ruins of Sigiriya, the so-called "Fortress in the Sky", and huge public works. Among the latter are large "tanks" or reservoirs, important for conserving water in a climate that alternates rainy seasons with dry times, and elaborate aqueducts, some with a slope as finely calibrated as one inch to the mile. Ancient Sri Lanka was also the first in the world to have established a dedicated hospital in Mihintale in the 4th century BCE. Ancient Sri Lanka was also the world's leading exporter of cinnamon, which was exported to Egypt as early as 1400 BCE. Sri Lanka was also the first Asian nation to have a female ruler in Queen Anula (47–42 BC).
Government and politics
The Constitution of Sri Lanka establishes a democratic, socialist republic in Sri Lanka, which is also a unitary state. The government is a mixture of the presidential system and the parliamentary system. The President of Sri Lanka is the head of state, the commander in chief of the armed forces, as well as head of government, and is popularly elected for a six-year term.
In the exercise of duties, the President is responsible to the Parliament of Sri Lanka, which is a unicameral 225-member legislature. The President appoints and heads a cabinet of ministers composed of elected members of parliament. The President's deputy is the Prime Minister, who leads the ruling party in parliament and shares many executive responsibilities, mainly in domestic affairs.
Members of parliament are elected by universal (adult) suffrage based on a modified proportional representation system by district to a six-year term. The primary modification is that, the party that receives the largest number of valid votes in each constituency gains a unique "bonus seat." The president may summon, suspend, or end a legislative session and dissolve Parliament any time after it has served for one year. The parliament reserves the power to make all laws.

It is also a member of the Non-Aligned Movement, the Colombo Plan, Asia-Pacific Economic Cooperation and the South Asian Association for Regional Cooperation. Through the Cold War-era, Sri Lanka followed a foreign policy of non-alignment but has remained closer to the United States and Western Europe.
Economy
In the 19th and 20th Centuries, Sri Lanka became a plantation economy, famous for its production and export of cinnamon, rubber and Ceylon tea, which remains a trademark national export. The development of modern ports under British rule raised the strategic importance of the island as a centre of trade. During World War II, the island hosted important military installations and Allied forces. However, the plantation economy aggravated poverty and economic inequality.
From 1948 to 1977 socialism strongly influenced the government's economic policies. Colonial plantations were dismantled, industries were nationalized and a welfare state established. While the standard of living and literacy improved significantly, the nation's economy suffered from inefficiency, slow growth and lack of foreign investment.
From 1977 the UNP government began incorporating privatisation, deregulation and the promotion of private enterprise. While the production and export of tea, rubber, coffee, sugar and other agricultural commodities remains important, the nation has moved steadily towards an industrialised economy with the development of food processing, textiles, telecommunications and finance. By 1996 plantation crops made up only 20% of export, and further declined to 16.8% in 2005 (compared with 93% in 1970), while textiles and garments have reached 63%.
In May 2009 the Sri Lankan stock market has shown marked gains to be among the 3 best performing markets in the world. The Colombo Stock Exchange reported the highest growth in the world for 2003, and today Sri Lanka has the highest per capita income in South Asia. About 14% of the population live on less than US$ 1.25 per day.
Sri Lanka, with an income per head of US$1,400, still lags behind some of its neighbors including Maldives and Mauritius but is ahead of its giant neighbor India. Its economy grew by an average of 5% during the 1990s during the 'War for Peace' era. According to the Sri Lankan central bank statistics, the economy was estimated to have grown by 7% last year, while inflation reached 20%.
Sri Lanka is the 53rd most populated nation in the world, with an annual population growth rate of 0.79%. Sri Lanka has a birth rate of 15.63 births per 1,000 people and a death rate of 6.49 deaths per 1,000 people. Population density is highest in western Sri Lanka, especially in and around the capital. There is a small population on the island of the Vedda people. They are believed to be the original indigenous group to inhabit the island. The Sinhalese people form the largest ethnic group in the nation, composing approximately 81.9% of the total population.

Tamils are concentrated in the North, East, Central and Western provinces of the country. Sri Lankan Tamils are the second major ethnic group on the island and have called it home for generations. Indian Tamils who were brought as indentured labourers from India by British colonists to work on estate plantations, nearly 50% of whom were repatriated following independence in 1948, are called "Indian Origin" Tamils. They are distinguished from the native Tamil population that has resided in Sri Lanka since ancient times.

Language

Sinhalese and Tamil are the two official languages of Sri Lanka. English is fluently spoken by approximately 10% of the population, and is widely used for education, scientific and commercial purposes. Members of the Burgher community speak variant forms of Portuguese Creole and Dutch with varying proficiency, while members of the Malay community speak a form of creole Malay that is unique to the island.

Religions

Sri Lanka has a multi ethnic and multi religious population. Buddhism constitutes the religious faith of about 70% of the population of the island, most of whom follow the Theravada school of Buddhism. According to traditional Sri Lankan chronicles, Buddhism was introduced into Sri Lanka in the 2nd century BCE by Venerable Mahinda, the son of the Emperor Ashoka, during the reign of Sri Lanka's King Devanampiyatissa.
During this time, a sapling of the Bodhi Tree under which the Buddha attained enlightenment was brought to Sri Lanka and the first monasteries were established under the sponsorship of the Sri Lankan king. The Pali Canon (Thripitakaya), having previously been preserved as an oral tradition, was first committed to writing in Sri Lanka around 30 BC.
Sri Lanka has the longest continuous history of Buddhism of any predominately Buddhist nation, with the Sangha having existed in a largely unbroken lineage since its introduction in the 2nd century BCE. During periods of decline, the Sri Lankan monastic lineage was revived through contact with Thailand and Burma.
Periods of Mahayana influence, as well as official neglect under colonial rule, created great challenges for Theravada Buddhist institutions in Sri Lanka, but repeated revivals and resurgences—most recently in the 19th century—have kept the Theravada tradition alive for over 2000 years. Hinduism the second most prevalent religion in Sri Lanka and it also arrived from India. Today, most Hindus are Tamil and they constitute a majority in Northern Sri Lanka.
Religions which today exist in Sri Lanka, in addition to Buddhism and Hinduism include Islam as well as different churches of Christianity. Followers of Islam comprise nearly eight percent of the population, having been brought to the island by Arab traders over the course of many centuries, most are Sunni who follow the Shafi'i school.

Hinduism was primarily established in Sri Lanka by migrants and often invaders from southern India, Hindus constitute just over 7 percent of the population, mostly of the Shaivite school.[citation needed] European colonists introduced Christianity to the country in the 16th century, and the religion has been adopted by around six percent of the population.
There also was a small population of Zoroastrian immigrants from India (Parsis) who settled in Ceylon during the period of British rule. As a result of emigration, few remain, yet they have played a significant role in the growth of the country. The former finance minister of Sri Lanka, Nariman Choksy, was a Parsi. Other famous Parsi families in Sri Lanka include the Captain family and the Pestongee family.
Religion plays an important part in the life and culture of Sri Lankans. The Buddhist majority observe Poya Days, once per month according to the Lunar calendar. The Hindus and Muslims also observe their own holidays. There are many Buddhist temples spread throughout the island in addition to numerous mosques, Hindu temples and churches, especially in areas where respective communities are concentrated.
Buddhists are distributed across most parts of the island except in the north. Hindus are concentrated in north, east, and central high lands, though high populations also exists in the capital city of Colombo and in the surrounding suburbs. Christians, particularly Roman Catholics are mainly concentrated along the western coastal belt.
Muslims are concentrated in several pockets along the coast and in the interior. All religious communities are represented in the western province and in other urban centers in sizable numbers. Sri Lanka was ranked the 3rd most religious country in the world by a 2008 Gallup poll, with 99% of Sri Lankans saying religion is an important part of their daily life.