Agricultural Crops of India

  Crop State Prod Prod Yield Rainfall Temp Soil % (Mil Kg/Ha cm Deg C T) Rice W. Bengal 15 87 1900 125-200 cm >23 C Deep Fertile UP 14 Clayey or loamy Andhra Pr 13 soil Punjab 11 Wheat Read More …

Landforms

Three Geological divisions: The peninsular block The Himalayas and other Peninsular Mountains Indo-Ganga-Brahmaputra Plain   Peninsualar block is made of gneisses (metamorphic) and granites (igneous). Six physiographic divisions: The Northern and North-eastern Mountains The Northern Plain The Peninsular Plateau The Read More …

Multipurpose Projects & Hydro-Electric Projects in India

                        Project River State     56.   Damodar Valley Project Damodar West Bengal & Jharkhand. It includes Maithon                 & Tilaiya Read More …

Mineral Resources of India

    50. Iron Ore Chhattisgarh 24 % Dalli, Rajhra (Durg), Bailadila, Raoghat, Aridongri 51.   Goa (21%) Sanquelim, Sanguem, Quepem, Satari, Ponda, Bicholim 52.   Karnataka (20%) Bellary, Hospet, Sandur 53.   Jharkhand (17 %) Noamund, Gua 54.   Read More …

Drainage System of India

Drainage: Flow of water through well-defined channels. Network of such channels is called a drainage system . Drainage basin: An area drained by a river and its tributaries. Watershed: Boundary line separating one drainage basin from other. River basins are Read More …

Environment and Ecological Issues

ECOLOGY   Ecology is  defined “as a scientific study of the relationship of the living organisms with each other and with their environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the 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.

  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 Read More …

Non- metallic and conventional minerals [coal,petroleum and natural gas)

  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 Read More …

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 Read More …

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 Read More …