AllABCDEFGHIJKLMNOPQRSTUVWXYZ D D.E. Wacha Moderate nationalist and economist.UPSC Pointers: Close associate of Dadabhai Naoroji; economic critique of British rule. Learn More → Dacite Definition: Intermediate volcanic rock.Key Facts: High silica; explosive volcanism. Learn More → Dadabhai Naoroji Early nationalist leader and economic thinker.UPSC Traps: Drain of Wealth theory; book ‘Poverty and Un-British... Learn More → Damin-i-koh Definition: Land area demarcated by the British in 1832 for Santhal settlement.Region: Rajmahal Hills (present... Learn More → Damodar Definition: A river flowing through Jharkhand and West Bengal.Key Facts: Known as the ‘Sorrow of... Learn More → Damodar Basin Definition: Major coal-bearing basin.Key Facts: Jharia, Bokaro coalfields. Learn More → Dar-ul-Harb Islamic concept meaning ‘Land of War’ or non-Islamic territory.UPSC Pointers: Used in medieval Islamic jurisprudence. Learn More → Dar-ul-Islam Territory under Islamic rule where Sharia prevails.UPSC Pointers: Counterpart of Dar-ul-Harb. Learn More → Daroga Local police officer under British administration.UPSC Traps: Associated with police corruption before reforms. Learn More → Dastak Definition: Duty-free trade permit granted to the English East India Company by Mughal authorities.• Time... Learn More → Day Zero Definition: Day when usable water supply runs out.PYQ: 2018 Learn More → De-industrialization Decline of traditional Indian industries under colonial rule.UPSC Traps: Linked to British tariff policies; decline... Learn More → Deccan Plateau Definition: Lava plateau formed by Deccan Trap volcanism.Prelims Pointers: India; Minerals—iron ore, manganese; Rivers—Godavari, Krishna.PYQ:... Learn More → Deccan Traps Definition: Large igneous province formed by fissure volcanic eruptions. Prelims Pointers: Cretaceous–Paleogene boundary; Basaltic lava; Linked... Learn More → Dedicated Freight Corridor Definition: A high-capacity railway corridor exclusively for freight trains to reduce logistics cost and decongest... Learn More → Degassing Definition: Release of gases from Earth's interior during volcanic activity.• UPSC Pointers: Led to formation... Learn More → Delamination Definition: Process in which dense lower crust or lithosphere peels away and sinks into mantle.Prelims... Learn More → Denali Fault Definition: A major strike-slip fault in Alaska.UPSC Pointers: Caused 2002 Alaska earthquake; Analogous to San... Learn More → Denudation Definition: Overall lowering of land surface by weathering, erosion, and mass wasting.Prelims Pointers: Includes weathering... Learn More → Deoband Movement Islamic revivalist movement started in 1866 at Deoband.UPSC Pointers: Dar-ul-Uloom Deoband; anti-British stance. Learn More → Depreciation Definition: The decline in value of fixed capital assets due to wear and tear or... Learn More → Dew Definition: Condensation of water vapour on cool surfaces.Condition: Above freezing point.PYQ: 2012 Learn More → Dhamma Mahamattas Definition: Special officers appointed by Ashoka in his 14th regnal year to propagate Dhamma and... Learn More → Dharma Definition: In the Vedic context, this denoted the obligation and discharge of one’s duties toward... Learn More → Dharma Sabha Orthodox Hindu body formed by Radhakanta Deb to oppose Brahmo Samaj reforms.UPSC Pointers: Defended traditional... Learn More → Dholavira A major IVC city located in the Rann of Kutch in Gujarat. Prelims Pointer: Unlike most... Learn More → Diastrophism Definition: All processes that cause movement, deformation, uplift or building of the Earth’s crust.Prelims Pointers:... Learn More → Differentiation Definition: Process by which Earth separated into layers (core, mantle, crust) due to density differences.•... Learn More → DigiLocker A flagship initiative of the Ministry of Electronics and Information Technology (MeitY) providing a secure... Learn More → Digital Arrest A sophisticated cyber scam where fraudsters impersonate law enforcement or government officials via fake video... Learn More → Digital India Definition: An umbrella programme to transform India into a digitally empowered society.Key Prelims Traps:Launched in... Learn More → Dikus Definition: Term used by tribals for outsiders such as moneylenders, traders, landlords, missionaries and British... Learn More → Disinflation Definition: Disinflation is a slowdown in the rate of inflation, meaning prices rise but at... Learn More → District Mineral Foundation Definition: Trust for welfare of mining-affected areas.Key Facts: Under MMDR Act 2015.PYQ Year: 2018. Learn More → Divergent Plate Boundary Definition: Boundary where tectonic plates move away from each other.Prelims Pointers: Sea-floor spreading; Mid-ocean ridges.PYQ:... Learn More → Diwani Definition: The right to collect land revenue and civil taxes, granted to the British East... Learn More → Do or Die Definition: Slogan of Quit India Movement.Year: 1942Prelims facts: Given by Mahatma Gandhi at Bombay AICC... Learn More → Doctrine of Lapse Definition: Policy of annexation used by the British where states without a natural male heir... Learn More → Doldrums Definition: Calm low-pressure zone near Equator with weak winds.Linked Concept: ITCZ.PYQ: 2014 Learn More → Dolomite Definition: Sedimentary rock composed of calcium magnesium carbonate.Prelims Pointers: Used in steel industry.PYQ: UPSC Prelims... Learn More → Domestic Systemically Important Banks Definition: Banks classified as ‘Too Big To Fail’ whose failure could severely impact the financial... Learn More → Dominion Status Definition: Self-governing status within British Commonwealth.Prelims facts: Demand raised in Nehru Report (1928); Congress goal... Learn More → Dr. B.R. Ambedkar Chairman of Drafting Committee and chief architect of Constitution.Law Minister of India.Expert on social justice.Advocate... Learn More → Dr. Rajendra Prasad President of Constituent Assembly and first President of India.Headed Steering Committee.Elected unopposed as President.Key consensus... Learn More → Dr. Sachchidananda Sinha First temporary Chairman of Constituent Assembly.Presided over first meeting.Senior Congress leader.Later Governor of Bihar. Learn More → Drafting Committee Committee of Constituent Assembly responsible for preparing the draft Constitution.Chairman was Dr. B.R. Ambedkar.Formed in... Learn More → Drumlins Definition: Streamlined hills formed by glacial deposition.Prelims Pointers: Indicate ice movement direction.PYQ: UPSC Prelims 2018Current... Learn More → Dyarchy Definition: A system of dual governance introduced by the Government of India Act, 1919 (Montagu–Chelmsford... Learn More →
