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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].
India is the world's most populated country, having surpassed China in 2023. [26] [27] Although population growth in India has slowed, the country's population is expected to grow and hit a peak of 1.7 billion people by 2064. [27] India's replacement level fertility rate is 2, as of 2023. [28]
Synthetic sapphire—also referred to as sapphire glass—is commonly used for small windows, because it is both highly transparent to wavelengths of light between 150 nm and 5500 nm (the visible spectrum extends about 380 nm to 750 nm [57]), and extraordinarily scratch-resistant. [58] [59] The key benefits of sapphire windows are:
This is a list of metropolitan areas by population in India.As per the Constitution of India, a metropolitan area is defined as an area having a population of 10 lakh or more, comprised in one or more districts, and consisting of two or more municipalities or panchayats or other contiguous areas, specified by the Governor by a public notification to be a Metropolitan area.
Following is the list of urban agglomerations in India with a population of more than one million as per the 2011 census. As per the 2011 census, there were 52 (according to provisional census results, 53 [8]) urban agglomerations or cities with population of one million and above. [9] [a] [8]
Due to continental drift, the India Plate split from Madagascar and collided with the Eurasian Plate resulting in the formation of the Himalayas.. The earliest phase of tectonic evolution was marked by the cooling and solidification of the upper crust of the earth's surface in the Archaean Era (prior to 2.5 billion years) which is represented by the exposure of gneisses and granites especially ...
Star of India. The Star of India is a 563.35-carat (112.67 g) star sapphire, one of the largest such gems in the world. [1] [a] It is almost flawless and is unusual in that it has stars on both sides of the stone. The greyish-blue gem was mined in Sri Lanka [3] and is housed in the American Museum of Natural History in New York City.
This is a list of the most populous cities in India. Cities are a type of sub-administrative unit and are defined by the Ministry of Home Affairs. In some cases, cities are bifurcated into municipalities, which can lead to cities being included within other cities. This list is based on the Census of India using data from the 2001 census of India and the 2011 census of India. Map class ...