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.
Politics of Bihar from Bihar under the leadership of Jayaprakash Narayan. In 1974, JP led the student's movement in the state of Bihar which gradually developed into a popular people's movement known as the Bihar Movement. It was during this movement that Narayan gave a call for peaceful Total Revolution together with V. M. Tarkunde, he founded the Citizens for Democracy in 1974 and the People's Union for Civil Liberties in 1976, both NGOs, to uphold and defend civil liberties.On 23 January 1977, Indira Gandhi called fresh elections for March and released all political prisoners. Emergency officially ended on 23 March 1977.The Congress