Federal Bank is in Follwing Districts in Tamil Nadu State

Ariyalur
Chennai
Coimbatore
Cuddalore
Dharmapuri
Dindigul
Erode
Kancheepuram
Kanyakumari
Karur
Krishnagiri
Madurai
Mayiladuthurai
Nagapattinam
Nagercoil
Namakkal
Nilgris
Perambalur
Pollachi
Salem
Sathangadu
Tenkasi
Thanjavur
Theni
Thiruvallur
Thiruvannamalai
Thiruvarur
Tiruchirapally
Tirunelvali
Tirunelveli
Tirupathur
Tirupur
Tiruvaluur
Tiruvannamalai
Toothukudi
Udumalpett
Vellore
Villupuram
Virudhunagar