The Indian state of Assam experiences a predominantly:

Correct option is A

The correct answer is Tropical rainforest climate.
· The climate of Assam is typically ‘Tropical Monsoon Rainforest Climate’, with high levels of humidity and heavy rainfall. ○ This is because the high hills of Arunachal, Manipur, and Mizoram prevent the monsoon winds from leaving the region.
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· The Himalayas and the Eastern Hill Ranges cause the geographical increase of monsoon winds with heavy rainfall over North East India. ○ While the plains of Assam have a tropical climate with high humidity, the hills have a sub-alpine type of climate. ○ The climate varies slightly from region to region within the state. For example, the climate of the region covering Kamrup, Nalbari and Barpeta in west-central Assam has winters with abundant rainfall and fog. ○ The climate of Barak Valley districts is characterized by abundant rainfall, moderate temperature and high humidity.