Hdfc Bank is in Follwing Districts in Bihar State

Amarpur
Andar
Araria
Arrah
Arwal
Aurangabad
Bagaha
Baheri
Bakhtiarpur
Balia
Banka
Bankeybazar
Banmankhi Bazar
Barauni
Bausi
Begusarai
Behea
Benipur
Bettiah
Bhabua
Bhagalpur
Bhagwanpur
Bhore
Biddupur
Bihar
Bihar Sharif
Biharsharif
Bikram
Bikramganj
Birpur
Bishunpur Sundur
Bodh Gaya
Buxar
Chakia
Chapra
Chhapra
Colgong
Dalsinghsarai
Darbhanga
Darbhnga
Daudnagar
Dehri - On - Sone
Deoria
Digha
Dighwara
Dinapur
Dumraon
East Champ
Ekma
Fatwah
Forbesganj
Garkha
Gaya
Ghoghardiha
Goh
Gopalganj
Gowasa Shaikhpura
Hajipur
Hazrat Jandaha
Hilsa
Isuwapur
Jahanabad
Jainagar
Jamalpur
Jamui
Jehanabad
Jehanbad
Jhajha
Jhanjharpur
Kanti
Kasba
Katihar
Keshopur
Khagaria
Kishanganj
Koilwar
Lakhisarai
Lalganj
Madhepura
Madhubani
Maharajganj
Mahnar Bazar
Mairwa
Maner
Marhaura
Masaurhi
Masrakh
Mirganj
Mithanpura
Mohania
Mokameh
Motihari
Motipur
Munger
Murliganj
Muzaffarpur
Nalanda
Narkatiaganj
Naubatpur
Naugachia
Nawada
Nirmali
Obra
Parsa
Patna
Phulwari Sharif
Piro
Pirpainti
Purnea
Purnia
Rafiganj
Rajgir
Ramnagar
Raxaul
Rosera
Sabour
Saharsa
Samastipur
Sangrampur
Sasaram
Sheikhpura
Sheohar
Sherghati
Sitamarhi
Siwan
Sonepur
Supaul
Tarapur
Vaishali
Warisaliganj