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e-NAM

Definition: e-NAM (National Agriculture Market) is a pan-India electronic trading platform integrating APMC mandis to...

E-Way Bill

Definition: An electronic document required for movement of goods under GST.Key Points for Prelims:• Mandatory...

E.V. Ramasamy (Periyar)

Definition: Social reformer and rationalist from South India.Prelims facts: Founder of Self-Respect Movement; opposed caste...

Earthquake Design Code (BIS)

Definition: Standards issued by BIS (IS 1893, IS 4326, IS 13920) to ensure earthquake-resistant construction.Prelims...

East African Rift Valley

Definition: A continental rift system where the African Plate is splitting.UPSC Pointers: Example of continental...

East India Association

Founded in 1866 in London by Dadabhai Naoroji to highlight Indian grievances.UPSC Pointers: First Indian...

Easterlies

Definition: Winds blowing from east to west.Types: Polar easterlies.PYQ: 2018

Economic Drain Theory

Theory propounded by Dadabhai Naoroji explaining how British rule drained India’s wealth.UPSC Pointers: Explained in...

Effective Revenue Deficit

Definition: Introduced in Budget 2011–12, ERD excludes grants given for creation of capital assets from...

Endogenic Forces

Definition: Internal forces originating within the Earth that cause crustal movements.Prelims Pointers: Includes diastrophism and...

Enfield Rifle

Definition: British rifle whose cartridges were rumored to be greased with cow and pig fat.Time...

Enstatite

Definition: A magnesium-rich pyroxene mineral.Key Facts: Formula MgSiO3; found in peridotite.PYQ Angle: Mineral composition questions.

EPC Model

Definition: Engineering, Procurement, and Construction model where government bears full project risk.Key Prelims Traps:No private...

Epeirogeny

Definition: Vertical movements causing uplift or subsidence of large continental areas.Prelims Pointers: Produces plateaus and...

Epicenter

Definition: Point on Earth’s surface directly above earthquake focus.Prelims Pointers: Maximum damage near epicenter.PYQ: UPSC...

Epicentre

Definition: The point on Earth’s surface directly above the earthquake’s focus.• UPSC Pointers: Maximum damage...

Equalisation Levy

Definition: A direct tax on specified digital services provided by non-resident companies.Key Points for Prelims:•...

Equator

Definition: Imaginary line at 0° latitude dividing Earth into Northern and Southern Hemispheres.Key Facts: No...

Erra Matti Dibbalu

Definition: Red sand dunes located near Visakhapatnam, Andhra Pradesh.Prelims Pointers: Geological heritage site; Formed due...

Eskers

Definition: Long, winding ridges of sand and gravel.Prelims Pointers: Deposited by subglacial streams.PYQ: UPSC Prelims...

European Space Agency

Definition: ESA is an intergovernmental organisation dedicated to space exploration, established in 1975.Members: 22 European...

Exfoliation

Definition: Mechanical weathering process where rock layers peel off like onion skins.Prelims Pointers: Common in...

Exogenic Forces

Definition: External forces shaping Earth’s surface.Prelims Pointers: Weathering, erosion, deposition.PYQ: UPSC Prelims 2014Current Affairs: Intensified...