Yes Bank is in Follwing Districts in Karnataka State

Bagalkot
Bagalkote
Bangalore
Bangalore Rural
Bangalore Urban
Banglore
Belgaum
Belguam
Bellary
Bengaluru
Bijapur
Chamarajanagar
Chikmagalur
Dakshin Kannad
Davanagere
Dharwad
Gadag
Gulbarga
Hassan
Haveri
Karnataka
Kolar
Koppal
Mysore
Raichur
Shivamogga
Udipi
Uttara Kannada