Section 2(v) in The Bihar Factories Welfare Officers Rules, 1952
(v)where the number of workers [ordinarily] [Inserted by S.O. 734 dated 5.5.1977.] employed in the factory [* * *] [Deleted by S.O. 734 dated 5.5.1977.] exceeds 4,000 but does not exceed 6,000-Four Welfare Officers; one each of Grades I and II and two of Grade III;
