Question: which district of bihar is the highest producer of rice?
Answer: Rohtas District is the top region by rice production in India. As of 2005, rice production in Rohtas District was 465,646 tonnes that accounts for 22.75% of India's rice production. The top 5 regions (others are Kaimur, Bhabua, Pashchim Champaran, Gopalganj District, and Supaul District) account for 47.57% of it.