Indian Overseas Bank is in Follwing Districts in Gujarat State

Ahmadabad
Ahmedabad
Anand
Banas Kantha
Bharuch
Bhavnagar
Dahod
Gandhinagar
Jamnagar
Junagadh
Kachchh
Kheda
Mahesana
Mehsana
Narmada
Navsari
Panch Mahals
Porbandar
Rajkot
Sabar Kantha
Surat
Surendranagar
Vadodara
Valasad
Valsad