Basin Select Adhwara Ajay Badua Baghmati Baya Bhutahi Burhi Gandak Chandan Daha Falgu Gandak Ganga Harohar Kamla Kao Karmanasa Kiul Kosi Mahananda Mahi Man Others Punpun Sone Zone select North Central North East North West South Central South East South West District select ARARIA ARWAL AURANGABAD BANKA BEGUSARAI BHAGALPUR BHOJPUR BUXAR DARBHANGA EAST CHAMPARAN GAYA GOPALGANJ JAMUI JEHANABAD KAIMUR (BHABUA) KATIHAR KHAGARIA KISHANGANJ LAKHISARAI MADHEPURA MADHUBANI MUNGER MUZAFFARPUR NALANDA NAWADA PATNA PURNEA ROHTAS SAHARSA SAMASTIPUR SARAN SHEIKHPURA SHEOHAR SITAMARHI SIWAN SUPAUL VAISHALI WEST CHAMPARAN