Section 3 of Karnataka State Civil Services Act, 1973

3. Promotions, etc., of civil servants. (1) No civil servant shall,- (a) [ be entitled to promotion to any post or office with effect from a retrospective date, except and to the extent specified in the rules made under this Act.] [Substituted by Act 40 of 1976 and by Act 25 of 1982 w.e.f. 11.4.1974.] (b) only on the ground of his seniority in a seniority list, be promoted to any post or office unless the authority competent to promote determines his eligibility and promotes him by a written order to officiate in such post or office; and no such civil servant shall, save as provided in section 9, be entitled to continue in such promoted post or office unless the said authority assesses the work of such civil servant in such post or office and declares by a written order that he had satisfactorily completed his officiation ; (c) when promoted to officiate in any post or office save as provided in section 9, be entitled to be considered for promotion to the next higher post or office unless he is declared to have satisfactorily completed his officiation in the first promoted post or office. (2) In matters not specified in sub-section (1), the provisions contained in sections 4,5,6,7 and 8 shall mutatis mutandis, be applicable.