Section 11 in Bihar industries Service Cadre Rules, 1987
11. Channel of Promotion.
(a)Promotion to any post shall be made from amongst the officers holding post just below.(b)Promotion shall be made from the joint cadre of officers of the Bihar Industries Service on the basis of seniority-cum-merit.(c)Promotion to the initial rung of the cadre shall normally be made from amongst the officers listed in Schedule IV appended with these Rules on the basis of seniority-cum-merit.
