Explanation:

Bihar

Bihar is India's most flood-prone state, with 76% population in the North Bihar living under the recurring threat of flood devastation. Bihar makes up 16.5% of India's flood affected area and 22.1% of India's flood affected population.About 73.06% of Bihar's geographical area, ie 68,800 square kilometres  out of 94,160 square kilometres  is flood affected. On an annual basis, they destroy thousands of human lives apart from livestock and assets worth millions.