Article 72 of Constitution of India "Power of President to grant pardons, etc., and to suspend, remit or commute sentences in certain cases"
(1) The President shall have the power to grant pardons,
reprieves, respites or remissions of punishment or to
suspend, remit or commute the sentence of any person
convicted of any offence-
(a) in all cases where the punishment or sentence is by a
court Martial;
(b) in all cases where the punishment or sentence is for an
offence against any law relating to a matter to which the
executive power of the Union extends;
(c) in all cases where the sentence is a sentence of
death.
(2) Noting in sub-clause (a) of Clause (1) shall affect the
power to suspend, remit or commute a sentence of death
exercisable by the Governor of a State under any law for the
time being in force
Article 73 of Constitution of India "Extent of executive power of the Union"
(1) Subject to the provisions of this Constitution, the
executive power of the Union shall extend-
(a) to the matters with respect to which Parliament has
power to make laws; and
(b) to the exercise of such rights, authority and
jurisdiction as are exercisable by the government of India
by virtue of any treaty on agreement:
Provided that the executive power referred to in sub-clause
(a) shall not, save as expressly provided in this
constitution or in any law made by Parliament, extend in any
State to matters with respect in which the Legislature of
the State has also power to make laws.
(2) Until otherwise provided by Parliament, a State and any
officer or authority of a State may, notwithstanding
anything in this Article, continue to exercise in matters
with respect to which Parliament has power to make laws for
that State such executive power or functions as the State or
officer or authority thereof could exercise immediately
before the commencement of this Constitution.