Civilization and Culture of the Pallavas

  The Pallava rule formed a golden epoch in the cultural history of south India. The period under the Pallavas was marked by considerable literary activities and cultural revival. The Pallavas warmly patronized Sanskrit language and most of the literary records of the time were composed in that language. Due to the cultural renaissance and … Read more Civilization and Culture of the Pallavas

Magdhan

    In the sixth country B.C. North India was divided into sixteen kingdoms out of which Avanti, Vatsa, Kosala and Magadha rose into prominence by aggrandizing upon other weaker states.These four states involved themselves in internecine quarrel in which Magadha emerged as the most powerful state and acquired mastery in the political domain of … Read more Magdhan

The History of Licchavis

  The Lichchhavis (also Lichchavi, Licchavi) were an important member of the Vajjian confederacy. The early Indian traditions describe the Lichchhavis as Kshatriyas. Scholars reject the theory of foreign origin of the Lichchhavis on the strength of these traditions. But they were degraded to the status of fallen Kshatriyas due to their championship of non-Brahmanical … Read more The History of Licchavis

Origin of Aryans

  The Aryans came to India in several waves. The earliest wave is represented by the Rig Vedic people who appeared in the subcontinent in about 1500 BC. They came into conflict with the indigenous inhabitants called the Dravidians mentioned as Dasa or Dasyus in Rig Veda. The Rig Veda mentions the defeat of Sambara … Read more Origin of Aryans

Indus Valley Civilization

  Indus Valley Civilization was the first major civilization in south Asia, which spread across a vast area of land in present day India and Pakistan (around 12 lakh sq.km). The time period of mature Indus Valley Civilization is estimated between BC. 2700- BC.1900 i.e. for 800 years. But early Indus Valley Civilization had existed even before … Read more Indus Valley Civilization

Development of Industries : Types of Industries;factors of industrial location, distribution and changing pattern of selected industries [iron and steel, cotton textile, sugar and petro- chemicals); Weber’s theory of industrial location-lts relevance in the modern world.

  Based on the value addition and tangibility broadly we can have three types of industries – primary industries,secondary industries and tertiary industries. Primary industries are usually very simple industries involving processing of raw materials to give input goods for secondary industries. Here value addition is usually minimal and they are usually material oriented.Scale of … Read more Development of Industries : Types of Industries;factors of industrial location, distribution and changing pattern of selected industries [iron and steel, cotton textile, sugar and petro- chemicals); Weber’s theory of industrial location-lts relevance in the modern world.

Non- metallic and conventional minerals [coal,petroleum and natural gas), (c) hydro electricity and non conventional sources of energy (Solar, Wind, bio-gas),(d) energy sources Their distribution and conservation.

  Petroleum, natural gas, coal, nitrogen, uranium and water power are examples of conventional sources of energy. They’re also called non-renewable sources of energy and are mainly fossil fuels, except water power. Rising growth of population has created a tremendous pressure on the conventional resources of energy and thus the concept of sustainable development get prominent … Read more Non- metallic and conventional minerals [coal,petroleum and natural gas), (c) hydro electricity and non conventional sources of energy (Solar, Wind, bio-gas),(d) energy sources Their distribution and conservation.

Minerals and Energy Resources : Distribution and utility of [a] metallic minerals (ion ore, copper, bauxite, manganese)

  Mineral is a naturally occurring, homogeneous inorganic solid substance having a definite chemical composition and characteristic crystalline structure, color, and hardness Minerals are valuable natural resources that are finite and non-renewable. The history of mineral extraction in India dates back to the days of the Harappan civilization. The wide availability of minerals in the … Read more Minerals and Energy Resources : Distribution and utility of [a] metallic minerals (ion ore, copper, bauxite, manganese)

Scarcity of water, methods of conservation-rain water harvesting and watershed management, ground water management

  Scarcity of water   Water scarcity is possibly to pose the greatest challenge on account of its increased demand coupled with shrinking supplies due to over utilisation and pollution. Water is a cyclic resource with abundant supplies on the globe. Approximately, 71 per cent of the earth’s surface is covered with it but fresh … Read more Scarcity of water, methods of conservation-rain water harvesting and watershed management, ground water management

Utilization for industrial and other purposes, irrigation

    Industrial Uses The share of industrial sector is limited to 2 per cent of the surface water utilisation and 5 per cent of the ground-water. Rough estimates indicate that the present water use in the industrial sector is of the order of 15 km3 . The water use by thermal and nuclear power … Read more Utilization for industrial and other purposes, irrigation

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