Cholas

    The founder of the Chola Empire was Vijayalaya, who was first feudatory of the Pallavas of Kanchi. He captured Tanjore in 850 A.D. He established a temple of goddess Nishumbhasudini (Durga) there. Aditya I succeeded Vijayalaya. Aditya helped his overlord the Pallava king Aparajita against the Pandyas but soon defeated him and annexed … Read more

Structure, relief and physiographic divisions

  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 Indian Desert The Coastal Plains The Islands Northern and North-Eastern Mountains Approximate length of … Read more

Drain Theory

  Dadabhai Naoroji: ‘Poverty in India’ (1876) He claimed that the drain of wealth and capital from the country which started after 1757 was responsible for absence of development in India. Drain was done through trade, industry and finance Two elements of the drain That arising from the remittances by European officials of their savings, … Read more

India in the Eighteenth Century

Bahadur Shah 1 (1707-12) Muzam succeeded Aurungzeb after latter’s death in 1707 He acquired the title of Bahadur Shah. Though he was quite old (65) and his rule quite short there are many significant achievements he made He reversed the narrow minded and antagonistic policies of Aurungzeb Made agreements with Rajput states Granted sardeshmukhi to … Read more

Coral Reef and Coral Bleaching

  Coral is actually a living animal. has a symbiotic relationship (each gives something to the other and gets something back in return) With ‘zooxanthellae’ microscopic algae which live on coral [i.e. instead of living on the sea  floor, the algae lives up on the coral which is closer to the ocean surface and so … Read more

Wegner’s Continental Drift Theory

    Alfred Wegner was a German Meteorologist in the early 1900s who studied ancient climates. Like most people, the jigsaw puzzle appearance of the Atlantic continental margins caught his attention. He put together the evidence of ancient glaciations and the distribution of fossil to formulate a theory that the continents have moved over the … Read more

Economic Growth, Development & Planning 

  Economic Growth Economic growth means an increase in real GDP. This increase in real GDP means there is an increase in the value of national output / national expenditure. Economic growth is an important macro-economic objective because it enables increased living standards and helps create new jobs. Measurement of Economic Growth Economic growth is … Read more

Industrial Transition in India

  The process of industrial transition divided into: industrial growth during the 19th century and industrial progress during the 20th century Industrial growth during the 19th century Decline of indigenous industries and the rise of large scale modern industries 1850-55: first cotton mill, first jute mill and the first coal mine established. Railway also introduced. … Read more

ENVIRONMENT POLLUTION 2

E — WASTE E-waste is not hazardous if it is stocked in safe storage or recycled by scientific methods or transported from one place to the other in parts or in totality in the formal sector. The e-waste can be considered hazardous if recycled by primitive methods Survey was carried out by the Central Pollution … Read more