Floods are the most common natural disaster in India, its different states- Bihar, Chennai, Kashmir, Punjab,
Maharashtra, Uttarakhand, Gujarat, Assam and Kerala have been worst affected from devastating floods
since 1943. 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, i.e. 68,800 square kilometers (26,600 sq. mi) out of 94,160 square kilometers (36,360 sq. mi), is flood affected. On an annual basis, they destroy thousands of human lives apart from livestock and assets worth millions. In total, they have claimed 9,500 lives since the government started publishing figures in 1979. As the floods have been destroying and devastating immensely almost every year.