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IndiGo
IndiGo, also known as IndiGo Airlines and operated by InterGlobe Aviation, is India's largest passenger airline, a low-cost carrier founded in 2006 by Rahul Bhatia and Rakesh Gangwal.
Indigo dye
Indigo dye is a deep-blue organic pigment and vat dye, the dye of blue denim, used for at least 6,000 years and today made almost entirely by chemical synthesis.
IndiGo fleet
The IndiGo fleet is the aircraft operated by IndiGo, India's largest airline, numbering 441 Airbus A320-family jets and ATR 72 turboprops as of March 2026.
Indigo Store
Indigo Store (Hanoi) is an organic, fair-trade fashion and craft shop at 33A Van Mieu, opposite the Temple of Literature. Founded December 2000 by Takeshi Yoshizawa and Duong Thi Thanh; about 120 ethnic-minority producers, indigo dyeing workshops. Not the Canadian bookstore chain or Dublin's Indigo & Cloth.
Indika Energy
Indika Energy is an Indonesian diversified energy company founded in 2000, whose core asset is a minority stake in the Kideco coal mine in East Kalimantan.
Indira Gandhi Canal (इंदिरा गांधी नहर)
The Indira Gandhi Canal (इंदिरा गांधी नहर), originally the Rajasthan Canal, is one of India's largest canal systems, carrying Ravi and Beas water across the Thar Desert for irrigation.
Indira Gandhi International Airport
Indira Gandhi International Airport, also called Delhi Airport, serves Delhi, India, about 16 km from the city center; it is India's largest aviation hub, ranked ninth busiest worldwide in 2024.
Indira Gandhi Super Thermal Power Project
The Indira Gandhi Super Thermal Power Project is a 1,500 MW coal-fired power station at Jharli in Jhajjar district, Haryana, India, sharing its output equally between Haryana and Delhi.
Indirect evaporative cooler
An indirect evaporative cooler is a heat exchanger device that cools a primary airstream without adding moisture, using a secondary airstream cooled by water evaporation.
Indirect extrusion
Indirect extrusion, also called backward extrusion, is a metal forming process in which a die on a hollow ram pushes into a stationary billet, cutting friction and force by 20 to 30 percent versus direct extrusion.
Indirect fire
Indirect fire is firing projectiles at a target the shooting element cannot see or use as an aiming point, the normal mode for artillery, mortars, and rocket launchers.
Indirect gasification
Indirect gasification, also called allothermal gasification, is a gasification process that supplies heat to convert solid fuel into gas via hot bed material circulating between two reactors, keeping the product gas nitrogen-free.
Indirect object identification circuit
The indirect object identification (IOI) circuit is a set of attention heads in GPT-2 small that performs grammatical sentence completion, identified in 2022 and published at ICLR 2023.
Indirect potable reuse
Indirect potable reuse (IPR) is the planned addition of purified recycled wastewater to a drinking water supply through an environmental buffer such as an aquifer or reservoir.
Indistinguishability obfuscation
Indistinguishability obfuscation (iO) is a cryptographic technique that compiles programs into an obfuscated form computing the same function while hiding everything but its input-output behavior.
Indium phosphide
Indium phosphide (InP) is a binary III-V semiconductor of indium and phosphorus with a direct bandgap, used for lasers, photonic integrated circuits, coherent optical transceivers, and high-speed microwave transistors.
Individual fairness
Individual fairness is a definition of algorithmic fairness, introduced by Cynthia Dwork and colleagues in the 2011 paper Fairness Through Awareness, which requires that similar individuals be treated similarly by a machine-learning model.
Indo-European Telegraph Department
The Indo-European Telegraph Department was a branch of the British Government of India, headquartered in London, that built telegraph lines across Iran and the Persian Gulf from 1862 to 1931.
Indo-European Telegraph Line
The Indo-European Telegraph Line was an overland telegraph connection between London and Calcutta, completed in 1870 across Prussia, Russia, the Caucasus, Persia, and the Persian Gulf, remaining in service into the 1930s.
Indo-Islamic architecture
Indo-Islamic architecture, also called Islamic architecture in India, fused Islamic arches and domes with Indian traditions, formative under the Delhi Sultanate and refined by the Mughals.
Indofood
Indofood (PT Indofood Sukses Makmur Tbk) is an Indonesian food company operating from raw materials to consumer products, best known as the maker of Indomie instant noodles.
Indominco Mandiri Coal Mine
The Indominco Mandiri Coal Mine is a large open-pit thermal coal mine in East Kalimantan, Indonesia, operated by PT Indominco Mandiri and producing coal since 1997.
Indonesia AirAsia Flight 8501
Indonesia AirAsia Flight 8501 (QZ8501) was a scheduled Surabaya to Singapore passenger flight that crashed into the Java Sea on 28 December 2014, killing all 162 aboard.
Indoor organic photovoltaics
Indoor organic photovoltaics (IOPVs) are organic solar cells tuned to convert artificial light from LEDs and fluorescent lamps into electricity, powering low-consumption IoT devices indoors.
Indoor photovoltaics
Indoor photovoltaics are photovoltaic devices that convert ambient indoor light from lamps and daylight into electricity, primarily powering batteryless IoT sensors and other low-power electronics; leading technologies include perovskite, organic, and dye-sensitized cells.
Indoor positioning system
An indoor positioning system (IPS), also called indoor GPS, estimates the location of people, devices, or vehicles inside buildings, where roofs and walls block satellite signals.
Indorama Ventures
Indorama Ventures (IVL) is a Thai multinational chemical producer headquartered in Bangkok, founded in 1994, and the world's largest PET resin producer with 147 plants in 35 countries.
Indosat Ooredoo Hutchison
Indosat Ooredoo Hutchison (PT Indosat Tbk) is an Indonesian mobile telecommunications company formed in 2022 by merging Indosat Ooredoo and Hutchison 3 Indonesia, becoming the country's second-largest mobile operator.
Indra Sistemas
Indra Sistemas is a Spanish information technology and defense company headquartered in Alcobendas, Madrid, created in 1992 from the merger of Ceselsa and Inisel and listed since 1999.
Indradhanush Gas Grid Limited
Indradhanush Gas Grid Limited (IGGL) is an Indian joint venture of five state energy companies, formed in 2018 to build the North East Gas Grid connecting eight states.