GPSC Prelims and Mains Notes, GPSC Test Series
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 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
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
Join Our Telegram Channel 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 … Read more
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. Join Our Telegram Channel Rising growth of population has created a tremendous pressure on the conventional resources of energy and thus the concept of … Read more
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
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
Subscribe on YouTube Water is a prime natural resource, a basic human need and a precious national asset. Planning, development and management of water resources need to be governed by national perspectives. Join Our Telegram Channel India accounts for about 2.45 per cent of world’s surface area, 4 per cent of the world’s water … Read more
Rice The rice is cultivated on the largest areas in India. Historians believe that while the indica variety of rice was first domesticated in the area covering the foothills of the Eastern Himalayas (i.e. north-eastern India).Rice is a nutritional staple food which provides instant energy as its most important component is carbohydrate (starch). Rice … Read more
Land is a finite resource. Land availability is only about 20% of the earth’s surface. Land is crucial for all developmental activities, for natural resources, ecosystem services and for agriculture. Growing population, growing needs and demands for economic development, clean water, food and other products from natural resources, as well as degradation of land … Read more