Section 7(2)(c) in The National Capital Territory of Delhi, Andaman and Nicobar Islands, Lakshadweep, Daman and Diu and Dadra and Nagar Haveli (Civil Service) Rules, 2003
(c)The vacancies in the promotion quota shall be filled by selection from amongst officers holding posts mentioned in Schedule II with three years regular service in the grade on the basis of the reCommendations of the Departmental Promotion Committee.