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Question

Which Indian satellite is used for weather forecasting?

This question was previously asked in
SSC CGL 2025 Tier 1 Question Paper (25-Sep-2025) (Shift 3)
The correct answer is

INSAT - 3D

INSAT-3D is a geostationary meteorological satellite launched by ISRO specifically to observe the Earth's atmosphere and provide data for weather forecasting.

It carries instruments such as an imager and a sounder that measure cloud cover, land and sea surface temperature, water vapour, and atmospheric profiles, which are used to track cyclones and monsoon patterns.

Aryabhata was India's first satellite, launched in 1975, but it was built for scientific experiments in X-ray astronomy and aeronomy, not weather monitoring.

Cartosat is a series of Indian remote-sensing satellites used mainly for earth observation and mapping purposes, not dedicated meteorological forecasting.

Mangalyaan, or the Mars Orbiter Mission, was India's interplanetary probe sent to study the Martian surface and atmosphere, unrelated to terrestrial weather forecasting.

Hence, the answer is INSAT - 3D.

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