(1) The following grades will be in the service –

(a) Gazetted,
(1) Specific category,
(2) First class,
(3) Second class and
(4) Third class.

(b) Gazetted (1) First class,
(2) Second class,
(3) Third category, and

(4) Fourth category.

(2) Category and non-category posts in the service group will be as per schedule-1.