Population growth rate by country

Regional division on the basis of growth rate On the basis of the growth rate of a population the world can be divided into the following three types of areas: Areas of Low Growth Rate Developed countries like the US, Canada, Japan, Australia, New Zealand, and countries of western Europe have a low growth rate … Read more

World population growth causes and consequences

When agriculture was introduced about 8000 to 12000 years ago, the population was small, roughly about 8 million. In the first century (C.E) it was below 300 million. Causes of Population Explosion World trade expanded during the 16th and 17th centuries, setting the stage for rapid population growth. During, the dawn of the Industrial revolution … Read more

Current events for Tnpsc Group 4

Current events for Tnpsc Group 4

What are Current events? Current events include important political or social events that happen right now. Also, it includes those events and issues of interest currently found in the news. What are the topics to cover in current events for the Tnpsc, Upsc and other service exams? History – Revenue system, Land reforms Index and … Read more

Human resource development in India Upsc

Human resource development in India Upsc

Human Resource Development The term ‘Human Resource Development or HRD’ is used in different contexts and with various meanings. According to F.H.Harbison, human resources are “the energies, skills, talent, and knowledge of people which are, or which potentially can or should be applied to the production of goods or the rendering of useful services”. In … Read more

A Detailed Study of Crops in India for Upsc

Crops in India Farming in India is mostly food crops. Foods include Rice, Jowar, Wheat, Bajra, Maize, Barley, Ragi, Gram, and Tur. Rice Rice is an indigenous crop in India and India is the second-largest rice producer in the world after China. It is mainly grown in tropical areas, where the mean temperature is 24 … Read more

Democratic socialism in India Upsc

Democratic socialism in India Upsc

When India got independence, there were many problems that the nation had to handle. One among these problems was which would be the best strategy for long-term development. Jawaharlal Nehru was the architect of planning in India. He was inspired by the Soviet model of planning and was also inspired by the liberal principles of … Read more

Social justice in Indian Constitution Upsc

Social justice in Indian Constitution Upsc

Article 38(2) states “The State shall, in particular, strive to minimize the inequalities in income, and endeavor to eliminate inequalities in status, facilities, and opportunities, not only amongst individuals but also amongst groups of people residing in different areas or engaged in different vocations”. This was kept in mind by the planners in formulating each … Read more

Water resource management in India

water resource management in india

Since there is a declining availability of fresh water and increasing demand, the need has arisen to conserve and effectively manage this precious life-giving resource for sustainable development. Given that water availability from sea/ocean, due to the high cost of desalination, is considered negligible, India has to take quick steps and make effective policies and … Read more

General Scientific Laws for Tnpsc pdf

Archimedes law Archimedes’ principle states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially, is equal to the weight of the fluid that the body displaces. Archimedes’ principle is a law of physics fundamental to fluid mechanics. Snell’s law To describe the relationship between the … Read more

To a millionaire poem Tnpsc

The world in gloom and splendour passes by,And thou in the midst of it with brows that gleam,A creature of that old distorted dreamThat makes the sound of life an evil cry.Good men perform just deeds, and brave men die,And win not honour such as gold can give,While the vain multitudes plod on, and live,And … Read more

* * All the Notes in this blog, are referred from Tamil Nadu State Board Books and Samacheer Kalvi Books. Kindly check with the original Tamil Nadu state board books and Ncert Books.