Answer: Madhubani
Notes: In the year 2022-23, Bihar produced 8.46 lakh tonnes of fish, surpassing its annual requirement for the first time and becoming self-sufficient in fish production. The highest fish production was recorded in Madhubani district, which produced 88.96 thousand tonnes of fish, making it the highest fish producing district in Bihar. Leading districts of fish production in 2022-23 were - Madhubani (0.89 lakh lonnes), Darbhanga (0.83 lakh tonnes) and East Champaran (0.71 lakh tonnes), logether accounting for 28.7 percent of the total fish production in the state.
