FPSC has apploaded the syllabus for Advertisement No 6/2019.
The syllabus for Ad FIA Case No: 133/2019 is as under:

Objective Type Test (MCQ)
Part-I
English = 20 marks
Part-II
General Intelligence/
Professional Test = 80 marks

Detail of syllabus as given below,

Part-I
Vocabulary, Grammar usage, Sentence Structuring.
Part-II
 Basic Arithmetic.
 Current Affairs.
 Pakistan Affairs & Islamic Studies
 Everyday/General Science
 FIA Act, 1974
Note : (Equal weightage for each topic at Part-II)