What is the importance of "Part B of the First Schedule" in this context?
The importance of "Part B of the First Schedule" in this context is that it specifies certain states. Judges of High Courts in any Indian State corresponding to a state specified in Part B of the First Schedule, holding office immediately before the commencement of the Constitution, shall become on such commencement the Judges of the High Court in the specified State and continue to hold office until the expiration of the period determined by the President.