Appointments to the posts of District Judges shall be made by the Governor (a) in consultation with the High Court by promotion from the members of the Junior Branch who have ordinarily served as Assistant Judges, and (b) on the recommendation of the High Court from members of the Bar who have practised as Advocates or Pleaders for not less than seven years in the High Court, or Courts subordinate thereto: Provided that persons recruited at the age of not more than forty five years, fifty years in the case of a person belonging to a community recognised as backward by Government for the purposes of recruitment shall first be appointed to 710 work as Assistant Judge for such period as may be decided by Government on the merits of his case on the recommendations of the High Court before he is appointed as a District Judge: Provided further that ordinarily the proportion of posts filled in by promotion, under clause (a) and those by appointment from members of the Bar under clause (b) shall be 50: 50.