Section 10 in The Indian Foreign Service Branch 'B' Rules, 2017
10. Recruitment to Grade I (Under Secretary) .
(1)Regular vacancies in Grade I shall be filled by promotion on selection basis of regular Section Officers of the General Cadre who have on the crucial date undergone and successfully completed such mandatory training programme(s) as may be prescribed by the Ministry of External Affairs and rendered not less than eight years' approved service in that Grade.(2)Notwithstanding anything contained in sub-rule (1) any vacancy in Grade I of the General Cadre may, in exceptional cases and in public interest, be filled by the Controlling Authority, in consultation with the Commission, by absorption of an officer holding a permanent Group 'A' ex-cadre post in the Ministry of External Affairs.
