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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.
Nature is also causing some drastic effects on India. The situation was worse between 1947 through 1995. According to data collected and environmental assessments studied by World Bank experts, between 1995 through 2010, India has made some of the fastest progress in addressing its environmental issues and improving its environmental quality in ...
Gold cyanidation (also known as the cyanide process or the MacArthur–Forrest process) is a hydrometallurgical technique for extracting gold from low-grade ore through conversion to a water-soluble coordination complex.
Those who were asked to make a presentation before the IMG included state-owned Steel Authority of India (SAIL), NTPC Ltd, JSPL, Abhijeet Infrastructure, Birla Corp and Rathi Udyog, Tata Power and Monnet Ispat and Energy Ltd. JSPL was specifically asked to make a presentation with regard to delay in production from its four coal blocks ...
A variety of gold deposits are formed in accretionary orogens, including orogenic gold deposits. [38] Orogenic gold deposits are typically located in metamorphosed fore-arc and back-arc regions, as well as in the arc [3] and show a close spatial relationship to lamprophyres and associated felsic porphyry dikes and sills. [39]
Srinivasan, S. & Griffiths, D., "South Indian wootz: evidence for high-carbon steel from crucibles from a newly identified site and preliminary comparisons with related finds", Material Issues in Art and Archaeology-V, Materials Research Society Symposium Proceedings Series Vol. 462.
Charvaka (Sanskrit: चार्वाक; IAST: Cārvāka), also known as Lokāyata, is an ancient school of Indian materialism. [1] It's an example of the atheistic schools in the Ancient Indian philosophies.
Natural calamities in India, many of them related to the climate of India, causes of the massive losses of life and property. Droughts , flash floods , cyclones , avalanches , landslides brought by torrential rains, and snowstorms pose the greatest threats.