IAS (Admin.) IAS Mains GS Paper 3 (Science-Tech, Economy, Environment, & Disaster Management) Infrastructure-Roads Study Material (Page 18 of 20)

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Developments in Communication and IT: Telecommunications

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Telecommunications

Information transfer using electrical signals between two spatially different points is known as telecommunications. It does not use postal or any other raw communication method. In India, telecom started with advent of tel…

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Indian Space Program: Historical Development, Landmarks of Indian Space Program

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Historical Development

In India, space research is traced back to scientist S. K. Mitra who in 1920՚s did series of experiments on ionosphere sounding through ground-based radio methods from Calcutta. Later, C. V. Raman and Meghnad Saha also contributed greatly to space sciences but after 1945, came the era of organized space research led by two scientists, Vikram S…

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