How has the Constitution (Fifteenth Amendment) Act, 1963 impacted the retirement age for judges in existing High Courts?
The Constitution (Fifteenth Amendment) Act, 1963 has impacted the retirement age for judges in existing High Courts by increasing it from sixty years to sixty-two years. This amendment was made by substituting "sixty years" with "sixty-two years" in Article 217 of the Constitution, as mentioned in the context (Article 225).