Is Herd Immunity Really Capable of Eliminating a Pandemic like COVID-19?

In present COVID-19 situation, in which lakhs of people are being infected while thousands are losing life daily, many questions have arrive...

Features of Ocean Bottom Relief (OBR)

The average depth of ocean is about 3800 metre from sea level while the average elevation of Lithosphere is only 840 metre from sea level. O...

Indian Ocean Region(IOR) and Indian Geopolitics

Indian Ocean comprise 20% of the water of the world around which world's one third population is living. From ancient times Indian Ocean...

India's International Borders and Associated Problems

India shares international land borders with Pakistan, Afghanistan, China, Bhutan, Myanmar and Bangladesh ,while it also has maritime bounda...

Ecological Aspects of Savanna Forest Biomes

'Savana Region' has been used by the climatologists as a climatic zone i.e. Tropical wet and dry climate (Aw climate in Koeppen'...

Political Problems of India for UPSC, BPSC and other Civil Services Examinations

India is a very large country having world's second largest population with around 2.4% of world's geographical Area. Such a huge co...

Ocean Currents - It's Origin and Effects

The general movement of Oceanic water in a definite direction is called as Oceanic Currents.  These can be classified into two types on the ...

Penck's Model of Cycle of Erosion

This model was brought by German Geographer Walther Penck in response to W. M. Davis' Model of Geographical Cycle, which was based on ...

Davis' Model of Cycle of Erosion

William Morris Davis an American Geomorphologist who presented the Model of 'Geographical Cycle of Erosion' in 1899 to explain the ...

Koeppen's Classification of Climate

The scheme was published by German Botanist and climatologist Wladimir Koeppen in 1900 , it was further modified in 1918 , 1931 and 1936 ....