Valid COPY
syntax for version 9.1 on Linux should be:
COPY studentapp_deg_course_cat(degree_code, specialization, category_level1,
category_level2, category_level3, min_credit, max_credit, "primary")
FROM '/home/abhishek/Downloads/courses.csv'
WITH (DELIMITER ';')
WITH
, not .USING
DELIMITER
instead of .DELIMITERS
And do not use primary
as column name. It's a reserved word.