Article 373 of Constitution of India "Power of President to make order in respect of persons under preventive detention in certain cases"
Until provision is made by Parliament under clause (7) of Article 22, or until the expiration of one year from the commencement of this Constitution, whichever is earlier, the said Article shall have effect as if for any reference to Parliament in clauses (4) and (7) thereof there were substituted a reference to the Parliament in those clauses there were substituted a reference to an order made by the President.
Article 374 of Constitution of India "Provisions as to Judges of the Federal Court and proceedings pending in the Federal Court or before His Majesty in Council"
(1) The Judges of the Federal Court holding office immediately before the commencement of this Constitution shall, unless they have elected otherwise, become on such commencement the Judges of the Supreme Court and shall thereupon be entitled to such salaries and allowances and to such rights in respect of leave of absence and pension as are provided for under Article 125 in respect of the Judges of the Supreme Court.
(2) All suits, appeals and proceedings, civil or criminal,
pending in the Federal Court at the commencement of this
Constitution shall, unless they have elected otherwise,
become on such commencement the Judges of the Supreme Court
and shall thereupon be entitled to such salaries and
allowances and to such rights in respect of leave of absence
and pension as are provided for under Article 125 in respect
of the Judges of the Supreme Court.
(3) Nothing in this Constitution shall operate to invalidate
the exercise of jurisdiction by His Majesty in Council to
dispose of appeals and petitions from, or in respect of, any
judgment, decree or order of any court within the territory
of India in so far as the exercise of such jurisdiction is
authorised by law, and any order of His Majesty in Council
made on any such appeal or petition after the commencement
of this Constitution shall for all purposes have effect as
if it were an order or decree made by the Supreme Court in
the exercise of the jurisdiction conferred on such Court by
this Constitution.
(4) On and from the commencement of this Constitution the
jurisdiction of the authority functioning as the Privy
Council in a State specified in Part B of the First Schedule
to entertain and dispose of appeals and petitions from or in
respect of any judgment, decree or order of any court within
that State shall cease, and all appeals and other
proceedings pending before the said authority at such
commencement shall be transferred to, and disposed of by,
the Supreme Court.
(5) Further provision may be made by Parliament by law to
give effect to the provisions of this Article.