GSAT-31 would be placed at Geosynchronous Transfer Orbit. GSAT-31 will augment the Ku-band transponder capacity in Geostationary Orbit. GSAT-31 derives its heritage from ISRO’s earlier INSAT/GSAT satellite series and will provide continuity to operational services on some of the in-orbit satellites. GSAT-31 will provide DTH Television Services, connectivity to VSATs for ATM, Stock-exchange, Digital Satellite …

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It is a nuclear capable long range ballistic missile. The strategic surface-to-surface missile has a strike range of 4,000 km. The indigenously developed Agni IV is a two-stage missile and is 20 meters long with a weight of 17 tonnes.


GSAT-7A is a high-tech communication satellite having new technologies including a Gregorian Antenna. It is the 39th communication satellite of ISRO and will mainly be used for military applications. Indian Air Force’s existing communication capabilities of satellites will be augmented with GSAT-7A. GSAT-7A will offer services to the users in Ku-band over the Indian region. …

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Dengue is a vector-borne disease transmitted by the bite of an infected female Aedes Aegypti mosquito. The mosquito becomes infected when it feeds on the blood of a person infected with the virus. After about one week, the mosquito can then transmit the virus while biting a healthy person. There are 4 serotypes of the …

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Neutrinos are electrically neutral, elementary weakly interacting subatomic particles with half-integer spin. They belong to the lepton family. Neutrinos were first proposed by Swiss scientist Wolfgang Pauli, are the second most widely occurring particle in the universe, only second to photons, the particle which makes up light. Neutrinos are similar to the more familiar electron, …

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Shakti microprocessor

It is India’s first indigenous microprocessor. Develop by IIT Madras. It has been developed under project partly funded by Ministry of Electronics and Information Technology (MeitY), as part of two-decade-old efforts to develop indigenous microprocessors. Significance: It will reduce dependency on imported microchips especially in communication and defence sectors and thus eliminate risk of cyber-attacks. …

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Diphtheria is a severe communicable and bacterial infectious disease that causes inflammation of the mucous membranes by forming a false membrane in the throat which creates a problem while swallowing food and during breathing. It can also damage nerves by a bacterial toxin present in the blood. Currently, this syndrome is rare in developed countries. …

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Compressed Bio-gas

Bio-gas is produced naturally through process of anaerobic decomposition from waste and bio-mass sources like agriculture residue, cattle dung, municipal solid waste, sugarcane press mud, sewage treatment plant (STP) waste, etc.   It is called CBG after biogas is purified and compressed, which has pure methane content of over 95%. CBG is exactly similar to …

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Hepatitis E

Hepatitis E is a liver disease caused by infection with a virus known as hepatitis E virus (HEV). Every year, there are an estimated 20 million HEV infections worldwide, leading to an estimated 3.3 million symptomatic cases of hepatitis E. WHO estimates that hepatitis E caused approximately 44 000 deaths in 2015 (accounting for 3.3% …

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