law: 13. Pension payable to Judges.-
  Subject to the provisions of this Act, a pension shall be payable in accordance with the provisions of Part I of the Schedule to a Judge of the Supreme Court on his retirement if, but only if,-
  1* * * * *
  (b) he has attained the age of sixty-five years; or
  (c) his retirement is medically certified to be necessitated by ill-health.
  2[Explanation.-In this section, "Judge" means a Judge who has not held any other pensionable post under the Union or a State and includes a person who was in service as a Judge on the 20th May, 1954, and also includes a Judge having held any other pensionable post under the Union or a State, who has elected to receive the pension payable under Part I of the Schedule.]