Section 3 in The Bihar Civil Service (Executive Branch) and the Bihar Junior Civil Service (Recruitment) Rules, 1951
3.
The Governor shall decide in each year the number of vacancies in each of the services to be filled in that year by direct recruitment and/or by promotion respectively:Provided that the number of vacancies to be filled by promotion in the Bihar Civil Service (Executive Branch) in any one year shall not, unless the Governor is satisfied that there is not a sufficient number of officers fit for promotion, be less than half the total number of vacancies to be filled in any such year.
