Allahabad Bank is in Follwing Districts in Tamil Nadu State

Chennai
Coimbatore
Coimbotore
Cuddalore
Dindigul
Erode
Kancheepuram
Kanyakumari
Karur
Krishnagiri
Madurai
Nagapattinam
Namakkal
Pudukkottai
Salem
Sivaganga
Thanjavur
Thiruvallur
Thiruvarur
Tiruchiorappalli
Tirunelvali
Tiruvarur
Toothukudi
Virudhunagar