Geography

Excessive rainfall in river catchments or concentration of runoff from the tributaries and river carrying flows in excess of their capacities. Backing water in tributaries at their confluence with the main river. Synchronization of flood peaks in the main rivers or their tributaries. Intense rainfall when river is flowing full. Poor natural drainage system. Landslides … Read more

Industrial sickness has become a major problem of the India’s corporate private sec­tor. Of late, it has assumed serious proportions. A close look reveals that there are, at least, five major causes of industrial sickness, viz., promotional, managerial, technical, financial and political. An industrial unit may become sick at its nascent stage or after working … Read more

A large section of Indian population lives in villages and is mainly engaged in agriculture. They belong to weaker section of the society. There is a definite trend of rural population migrating to the urban areas due to lack of employment opportunities, low earnings, insufficient means of transport and insanitary living conditions. The latter is … Read more

Dams/reservoirs and wetlands to store water Improvement in agriculture through modifying cropping patterns and introducing drought-resistant varieties of crops Watershed management Water rationing Management of rangeland with improvement of grazing patterns, introduction of feed and protection of shrubs and trees Cattle management Proper selection of crop for drought-affected areas Development of water resource system with … Read more

Overpopulation With increasing population, demands of the country increase which further results in depletion of resources.     Over-consumption and waste As the standards of living of people improves, they tend to consume more and waste even more. Deforestation and the destruction of ecosystems Forests are cut annually, to make space for multiplexes, residential complexes … Read more

Core, mantle, and crust are divisions based on composition. The crust makes up less than 1 percent of Earth by mass, consisting of oceanic crust and continental crust is often more felsic rock. The mantle is hot and represents about 68 percent of Earth’s mass. Finally, the core is mostly iron metal. The core makes … Read more

Shale gas refers to natural gas that is trapped within shale formations. Shales are fine-grained sedimentary rocks that can be rich sources of petroleum and natural gas. Over the past decade, the combination of horizontal drilling and hydraulic fracturing has allowed access to large volumes of shale gas that were previously uneconomical to produce.  Typical components of oil shale gas are usually methane, … Read more

On 12 August 2018, after 20 years of talks, the leaders of the five littoral states to the Caspian Sea – Azerbaijan, Iran, Kazakhstan, Russia and Turkmenistan – finally signed a treaty defining its legal status. The ‘Convention on the Legal Status of the Caspian Sea’ has not resolved all the long-standing issues; in fact, … Read more

Wind is caused by the uneven heating of the atmosphere by the sun, variations in the earth’s surface, and rotation of the earth. Mountains, bodies of water, and vegetation all influence wind flow patterns. Wind turbines convert the energy in wind to electricity by rotating propeller-like blades around a rotor. The rotor turns the drive shaft, which … Read more

It is a deflecting force experienced due to rotation of earth. Because of Coriolis the air appears to turn towards its right in the northern hemisphere and towards its left in the southern hemisphere. The coriolis always acts in the perpendicular direction of the motion of air. It is zero at the equator and increases … Read more