Align the column on site
The most common and easiest method adopted on the site and instantly find out the vertical alignment of any type of column is the Plumb-Bob method.
First, you have to place the plumb on any side at the top of the column, and observe the of Bob, it should not be lying on the column and should not be hanging like a pendulum, it should just touch the column boundary.
Repeat the same on all sides of the column.
According to Bob inclination, you will know whether the column is aligned or not, if not, then in which direction it is inclined.