Climate of Bihar in the south China sea. The maximum frequency of the tropical cyclones in Bihar is during September–November especially during the asterism called hathiya. These cyclones are essential for the maturing of paddy, and are required for the moistening of the soil for the cultivation of rabi crops. Bihar is India's most flood-prone State, with 76% of the population in the north Bihar living under the recurring threat of flood devastation. According to some historical data, 16.5% of the total flood affected area in India is located in Bihar while 22.1% of the flood affected population in India lives in Bihar.
History of Bihar Hindi weekly Hunkar from Bihar in 1940. Hunkar later became the mouthpiece of the peasant movement and the agrarian movement in Bihar and was instrumental in spreading the movement. The peasant movement later spread to other parts of the country and helped in digging out the British roots in the Indian society by overthrowing the zamindari system. Bihar's contribution in the independence movement has been immense with famous leaders like Swami Sahajanand Saraswati, Shaheed Baikuntha Shukla, "Bihar Bibhuti" Anugrah Narayan Sinha, Mulana Mazharul Haque, "Loknayak" Jayaprakash Narayan, Satyendra Narayan Sinha (Singh), Basawon Singh (Sinha), Yogendra Shukla, Sheel Bhadra Yajee, Pandit