Union Bank Of India is in Follwing Districts in Tamil Nadu State

Annur
Anthiyur
Avalappampatti
Bangalore Urban
Chennai
Cioimbtore
Coimbatore
Coimbotore
Coimbtore
Cuddalore
Dharmapuri
Dhermapuri
Dindigal
Dindigul
Erode
Gurgaon
Kancheepuram
Kanchipuram
Kanniyakumari
Kanya Kumari
Kanyakumari
Karaikal
Karur
Keeranur
Krishnagiri
Madurai
Nagapattinam
Namakal
Namakkal
New Delhi
Nilgiri
Nilgiris
Perambalur
Pudukkottai
Pudukottai
Ramanathapuram
Rameshwaram
Salem
Sivaganga
Sivagangai
Tenkasi
Thanjavur
Theni
Thiruvallur
Thiruvannamalai
Thiruvarur
Thiruverkadu
Thoothkudi
Thoothukudi
Thuvakudi
Tiruchiorappalli
Tiruchipalli
Tiruchirapalli
Tiruchirapally
Tirunelvali
Tirunelveli
Tirupattur
Tiruppur
Tirupur
Tiruvallur
Tiruvannamalai
Tiruvannammalai
Tiruvarur
Toothukudi
Vellore
Villupuram
Virdhunagar
Virudhunagar