As you asking for the procedure to get the union bank of India branch locations here I am providing you the procedure to get the details of the branch locations of the union bank of India .

go to the official site of the union bank of India
the page may look as follow:
union bank of India


there you may get the link of the branch locator at the right corner of the page click on it .
it may redirected you to the page from there you may get the details of the branch locations and other details of the branch by opting the city or state
for your convince here I am providing you the snapshot of that page

union bnank of India branch locator