Uzodinma appoints 18 advisers 2 non indigenes among 12 ssas

It seems like you're referring to a news article or a statement made by Governor Uzodinma of Imo State.

To break it down:

• "appoints 18 advisers": The Governor has appointed 18 individuals as his advisors.
• "2 non-indigenes among 12 SSAs": Among the 12 Special Assistants (SSAs) appointed, 2 are non-indigenes of Imo State.

In other words, the Governor has appointed 18 advisors, and among the 12 Special Assistants (who are part of the advisors), 2 are not from Imo State.