As you want here I am telling address of Jammu & Kashmir Bank Branches which situated in Kolkata,

Jammu And Kashmir Bank Limited
6d,Stephen House, R N Mukherjee Road, B B D Bagh, Kolkata, West Bengal 700001

The Jammu Kashmir Bank Limited
CIT Rd Scheme 6M, Phool Bagan, Kankurgachi, Kolkata, West Bengal 700054

Jammu And Kashmir Bank Limited
Acre Road, Malik Bazar, Kolkata, West Bengal

For more Jammu and Kashmir Bank branches info I am telling here simple process :

Go to the Jammu and Kashmir Bank official website

Click on ATM & Branch Locator option give in the mid under help center section

By click there you will land on branch locator page which look like this image