There is a large scope for Geology in the world. I myself am a geology student.
You can become:
Paleontologist
Seismic Analysist
Hydrologist
Geologist
Marine geologist
Petrologist
Mineralogist
Geohydrologist
Hydrologist.
You could also get chances to work in ISRO, ONGC, DRDO,etc.
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