IMD

India Meteorological Department (IMD) is an agency under the Ministry of Earth Sciences of the Government of India. It is the principal government agency in all matters relating to meteorology, seismology and allied subjects.
Established in 1875, IMD is headquartered in Delhi and operates hundreds of observation stations across India and Antarctica.
IMD is also one of the six Regional Specialised Meteorological Centres of the World Meteorological Organization. It has the responsibility for forecasting, naming and distribution of warnings for tropical cyclones in the Northern Indian Ocean region, including the Malacca Straits, the Bay of Bengal, the Arabian Sea and the Persian Gulf.

To take meteorological observations and to provide current and forecast meteorological information for optimum operation of weather-sensitive activities like agriculture, irrigation, shipping, aviation, offshore oil explorations, etc.
To warn against severe weather phenomena like tropical cyclones, norwesters, dust storms, heavy rains and snow, cold and heat waves, etc., which cause destruction of life and property.
To provide meteorological statistics required for agriculture, water resource management, industries, oil exploration and other nation-building activities.
To conduct and promote research in meteorology and allied disciplines.
To detect and locate earthquakes and to evaluate seismicity in different parts of the country for development projects

The India Meteorological Department has scaled up its weather warning, issuing a red alert for Mumbai, Thane, Palghar and Raigad in the wake of cyclone Nisarga.

References:

https://public.wmo.int/en/our-mandate/focus-areas/natural-hazards-and-disaster-risk-reduction/tropical-cyclones

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