Article 243L of Constitution of India "Application to Union territories"
The provisions of this Part shall apply to the Union territories and shall, in their application to a Union territory, have effect as if the references to the Governor of a State were references to the Administrator of the Union territory appointed under 239 and references to the Legislature or the Legislative Assembly of a State were references, in relation to a Union territory having a Legislative Assembly, to that Legislative Assembly:
Provided that the President may, by public notification, direct that the provisions of this Part shall apply to any Union territory or part thereof subject to such exceptions and modifications as he may specify in the notification.
Article 243M of Constitution of India "Part not to apply to certain areas"
(1) Nothing in this Part shall apply to the Scheduled Areas
referred to in clause (1), and the tribal areas referred to
in clause (2), of Article 244.
(2) Nothing in this Part shall apply to;
(a) the States of Nagaland, Meghalaya and Mizoram;
(b) the Hill areas in the State of Manipur for which
District Councils exist under any law for the time being in
force.
(3) Nothing in this Part;
(a) relating to Panchayats at the district level shall apply
to the Hill areas of the District of Darjeeling in the State
of West Bengal for which Darjeeling Gorkha Hill Council
exists under any law for the time being in force;
(b) shall be construed to affect the functions and powers of
the Darjeeling Gorkha Hill Council constituted under such
law.
(4) Notwithstanding anything in this Constitution;
(a) the Legislature of a State referred to in sub-clause (a)
of clause (2) may, by law, extend this Part to that State,
except the areas, if any, referred to in clause (1), if the
Legislative Assembly of that State passes a resolution to
that effect by a majority of the total membership of that
House and by a majority of not less than two-thirds of the
members of that house present and voting;
(b) Parliament may, by law, extend the provisions of this
Part to the Scheduled Areas and the tribal areas referred to
in clause (1) subject to such exceptions and modifications
as may be specified in such law, and no such law shall be
deemed to be an amendment of this Constitution for the
purposes of Article 368.