Quick Revision

April 2020 Compilation

Portable UltraViolet (UV) sanitiser: developed by IIT-B •It can sterilise wallets, purses and other small items that are passed on from hand to hand.•The UV sanitiser has been made using stainless steel kitchen containers and aluminium mesh and is in the proof-of-concept stage right now•It can kill germs and bacteria without you having to use […]

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February 2020 Compilation

What is Dividend Distribution Tax•It is a tax levied on dividends that a company pays to its shareholders out of its profits 【 for example: If OYO earns $1 billion in 2019 and distribute $ 500 million to its 5 shareholders then that $ 500 million will also be taxed again besides the total company’s […]

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January 2020 Quick Revision Compilation

●80th session of the Indian History Congress (IHC): held at Kannur, Kerala•Founded in 1935, the Indian History Congress(IHC) is the largest association of professional historians in South Asia.•It has about 35000 members of which over 2000 delegates participate in its session every year.•Its main objective is to promote secular and scientific writing of history.•Historian like Bipan Chandra, […]

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Daily Quick Revision 27 May 2020

Heat Waves in north India•Several parts of north India are reeling under an intense heatwave with many districts in Rajasthan, Haryana, Uttar Pradesh, Madhya Pradesh posting temperatures over 45 degrees Celsius or five degrees above what is normal.•Heat Wave is a period of abnormally high temperatures, more than the normal maximum temperature that occurs during […]

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ANtarctic Impulsive Transient Antenna (ANITA)

●ANtarctic Impulsive Transient Antenna (ANITA)•It is a radio telescope which is used to to detect ultra-high energy cosmic-ray neutrinos from a scientific balloon flying over Antarctica.•ANITA is the first NASA observatory for neutrinos of any kind.•It involves an array of radio antennas attached to a helium balloon which flies over the Antarctic ice sheet at […]

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Collaboration/Covid Action Support Group (CoAST India)

●Collaboration/Covid Action Support Group (CoAST India)•India Observatory has come up with a Geographic Information System (GIS)-enabled dashboard called ‘CoAST India’ to monitor the movements of migrants.•It draws information from 55 organisations on the ground, mostly in villages.•The dashboard aims to make such data available to governments and small local civil society groups to be used for […]

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Purandara Dasa

●Purandara Dasa•He was a great devotee of Lord Krishna, a poet and a musician.•He is considered the father of Carnatic Music.•He formalized the music system which was a blend of various traditions of South India and the musical science as explained in the Vedas.•He identified 84 ragas and devised a system of teaching Carnatic music […]

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Punitus Sanctus: A New Freshwater Fish

●Punitus Sanctus: A New Freshwater Fish•Recently, Puntius Sanctus, a new freshwater fish, has been found in Velankanni, Tamil Nadu•It is a silver-hued fish. The species is small in size and grows to a length of 7 cm.•It is different from other species.•It has a protractible (extended) mouth, a pair of maxillary barbels (a sensory organ […]

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