Hello Aspirant,

It seems that your question is incomplete. But still I will give you a brief idea on what is Bottom - up Budgeting method is all about.

Bottom-up budgeting is a budgeting method that starts at the department level, moving up to the top level. Each department within the organization is required to compile a list of the things it needs, the projects it plans to carry out in the next financial period.

This may help.

Happy learning!