Corporation Bank is in Follwing Districts in Bihar State

Araria
Begusarai
Bhagalpur
Darbhanga
Gaya
Gopalganj
Jehanabad
Kishanganj
Madhepura
Madhubani
Munger
Muzaffarpur
Nalanda
Patna
Purbi Champaran
Purnia
Rohtas
Saharsa
Samastipur
Saran
Siwan
Supaul
Vaishali