Science & Technology·Key Discoveries

Weather Forecasting — Key Discoveries

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Version 1Updated 10 Mar 2026

Key Discoveries

Establishment of IMD (1875) & Post-Independence Reorganization

1875, 1947 onwards

While not a legal 'judgment' in the traditional sense, the establishment of the Indian Meteorological Department (IMD) in 1875 by the British Indian government, and its subsequent…

Launch of INSAT-1B and subsequent INSAT series (1983 onwards)

1983

The successful launch and operationalization of INSAT-1B in 1983, followed by a dedicated series of meteorological payloads (like Kalpana-1, INSAT-3D, INSAT-3DR), marked a…

National Disaster Management Act, 2005 & Early Warning Systems

2005

The enactment of the National Disaster Management Act in 2005, which led to the formation of the NDMA and SDMAs, implicitly served as a landmark 'judgment' on the critical…

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