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The mining industry in India is a major economic activity which contributes significantly to the economy of India. The gross domestic product (GDP) contribution of the mining industry varies from 2.2% to 2.5% only but going by the GDP of the total industrial sector, it contributes around 10% to 11%. Even mining done on small scale contributes 6 ...
Recent excavations in Middle Ganga Valley done by archaeologist Rakesh Tewari show iron working in India may have begun as early as 1800 BCE. [5] Archaeological sites in India, such as Malhar, Dadupur, Raja Nala Ka Tila and Lahuradewa in the state of Uttar Pradesh show iron implements in the period between 1800 BCE – 1200 BCE.
The Metalliferous Mines Regulations 1961 replaces both the Metalliferous Mines Regulations, 1926 and the Mysore Gold Mines Regulations, 1953 to prevent possible dangers, accidents and deaths from mining in India. [1] [2]
This lists of mines in India is subsidiary to the list of mines article, and future mines in the country and is organised by the primary mineral output. For practical purposes stone, marbles and other quarries may be included in this list. In India, the underground mine to surface mine ratio is 20:80 [citation needed].
Regular mining started in 1820, led by an agency house, Alexander & Co. In 1835, Prince Dwarkanath Tagore bought over the collieries and Carr, Tagore and Company led the field. For the entire 19th century and a major part of the 20th century, Raniganj coalfields was the major producer of coal in the country.
Mining of copper in India historically is more than 2000 years old. But its production to meet industrial demand is noted from the middle of the 1960s. [4] In India, copper ore has been identified in varying structural formations as "host rocks" in several geological formations of different geological time scale.
India imports small amounts of natural gas. In 2004, India consumed about 1,089 × 10 ^ 9 cu ft (3.08 × 10 10 m 3) of natural gas, the first year in which the country showed net natural gas imports. During 2004, India imported 93 × 10 ^ 9 cu ft (2.6 × 10 9 m 3) of liquefied natural gas (LNG) from Qatar. [16]
Rat-hole mining or Rat mining [1] is a process of digging employed in North East India to extract coal, where a narrow hole is manually dug by extraction workers. The practice is banned by the National Green Tribunal; [2] [3] however, the techniques are still employed by artisanal mining operations in several parts of India, especially in Meghalaya.