Geography

Warming and cooling of the Pacific Ocean is most important in terms of general atmospheric circulation. The warm water of the central Pacific Ocean slowly drifts towards the South American coast and replaces the cool Peruvian current. Such an appearance of warm water off the coast of Peru is known as El Nino. The El … Read more

The world is entering in the twenty-first century so that every sector of the economy should prepare itself to face the challenges of the coming century. There will be need to produce more than what is being produced and there would be greater demand for food, fiber and other commodities. The land area is limited … Read more

India Meteorological Department (IMD) uses temperature data from surface observatories to track heat waves. IMD also uses various numerical weather prediction models to track and predict occurrence and intensity of Heat Waves. The following criteria are used for defining severity of the heat wave: When normal Tmax is less than or equal to 40°C and … Read more

A farming systems that are “capable of maintaining their productivity and usefulness to society indefinitely and must be resource-conserving, socially supportive, commercially competitive,and environmentally sound.” Major components of sustainable agricultural system Soil and water conservation to prevent degradation of soil productivity Efficient use of limited irrigation water without leading to problems of soil salinity,alkalinity and … Read more

Democracy is well known by the definition of ‘ for the people, by the people and of the people.   Democracy success depends upon the way the government of the state is elected. The election is done on the basis of First past the poll or Proportional representation.  The other major aspect of democracy is the … Read more

Scheduled Castes are notified in 31 States/UTs of India and there are altogether 1,241 individual ethnic groups, etc. notified as Scheduled Castes in different States/UTs. There has been some changes in the List of SCs/STs in States/ UTs during the last decade. As per the 2011 Census of India, there are around 201.4 million SCs … Read more

Landslide is defined as the movement of mass of rock, debris or earth down a slope under the direct influence of gravity. It’s a natural disaster which takes place because of both natural and anthropogenic factors. Being at a great height,h imalyan region is quite prone to this disaster. Natural Factors Intensive rainfall : rainy … Read more

urban settlements are classified on various bases. However, classification based on size and function are most common. Let us discuss them one by one Classification based on Population Size According to population size, census of India classifies urban centres into six classes. Classwise urban settlements and their population Class                              Population Class I                            1,00,000 and above … Read more

Apart from incessant rainfall during the monsoon, there are many contributory factors, natural and man-made. At the crux is the very nature of the river Brahmaputra —dynamic and unstable. Its 580,000 sq km basin spreads over four countries: China, India, Bangladesh and Bhutan, with diverse environments. The Brahmaputra features among the world’s top five rivers … Read more

  Bishnoi Tribe of Rajasthan: Bishnois consider treesas sacred and protect the entire ecosystemincluding animals and birds that exists in theirvillages. Tribe has organized their own Tiger Forcewhich is a brigade of youth actively pursue wildlifeprotection. Chenchu Tribe of Andhra Pradesh: They areinvolved in tiger conservation at Nagarjunasagar Srisailam Tiger Reserve (NSTR). Maldhari Tribe in … Read more