According to Köppen's climate classification, Bihar mainly lies in which type of climate?

Correct answer: (b) Cwg

Explanation

In Köppen's classification, most of Bihar, especially north Bihar, has a Cwg climate:

• C: warm temperate (the coldest month above about 0 °C);
• w: a dry winter, with most rain in summer (the monsoon);
• g: the Ganges type, in which the hottest month comes before the summer solstice and the monsoon (May–June).

Parts of south Bihar are sometimes placed in Aw (tropical savannah).