HDFC Bank is in Follwing Districts in West Bengal State

Alipur Duar
Alipurduar
Baishnabghata - Patuli
Bankura
Barddhaman
Bardhaman
Birbhum
Bolpur
Burdwan
Coochbehar
Dakshin Dinajpur
Darjeeling
Darjiling
Diamond Harbour
East Medinipur
Haora
Hooghly
Howrah
Hugli
Islampur
Jalpaiguri
Jaunpur
Koch Bihar
Kolkata
Malda
Maldah
Medinipur
Murshidabad
Nadia
North 24 Paraganas
North 24 Parganas
North Twenty Four Parganas
Northdumdum
Paschim Bardhaman
Paschim Medinipur
Purba Bardhaman
Purba Medinipur
Puruliya
Ranaghat
South 24 Parganas
South Twenty Four Parganas
Thane
Uttar Dinajpur
West Burdwan
West Medinipur