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The National Water Supply and Drainage Board (commonly abbreviated as NWSDB) is the National Organization responsible for the provision of safe drinking water and facilitating the provision of sanitation to the people in Sri Lanka. The organization had its beginning as a subdepartment under the Public Works Department for water supply and drainage.
A number of different units of measurement were used in Sri Lanka to measure quantities like length, mass and capacity from very ancient times. [1] Under the British Empire, imperial units became the official units of measurement [2] and remained so until Sri Lanka adopted the metric system in the 1970s. [3] [4]
Taxation in Sri Lanka mainly includes excise duties, value added tax, income tax and tariffs. [1] Tax revenue is a primary constituent of the government's fiscal policy . The Government of Sri Lanka imposes taxes mainly of two types in the forms of direct taxes and indirect taxes.
Gold and copper coins issued by the Chola ruler Rajaraja Chola (985-1014) are excavated from many parts of Sri Lanka. The obverse and reverse of these coins are similar to the common Dambadeniya Massa coins issued by later Kalinga and Pandya rulers of Sri Lanka.
Sri Lanka is a tropical island situated close to the southern tip of India. It is situated in the middle of Indian Ocean. Because of being an island, Sri Lanka has many endemic freshwater fauna, as well as thousands of marine and brackish water fauna. [1] Fishing is the way of life of most of coastal community.
Cast iron pipes piled up near the construction site. Cast iron pipe is pipe made predominantly from gray cast iron.It was historically used as a pressure pipe for transmission of water, gas and sewage, and as a water drainage pipe during the 17th, 18th, 19th and 20th centuries.
The Central Bank of Sri Lanka has issued commemorative coins since 1957. On 15 December 2010, to mark the 60th Anniversary, the Central Bank of Sri Lanka issued a frosted proof crown size multi-colour silver commemorative coin in the denomination of Rs. 5,000/-. It was the first multi-colour coin issued by the Central Bank.
Polling divisions in Sri Lanka are subdivisions of the country's electoral districts. From the 1st parliamentary election in 1947 to the 8th in 1977, members were elected to the parliament using a first-past-the-post system from these polling divisions. This system changed in 1978. [1]