Article 348 of Constitution of India "Language to be used in the Supreme Court and in the High Courts and for Acts, Bills, etc"
(1) Notwithstanding anything in the foregoing provisions
of this Part, until Parliament by law otherwise provides-
(a) all proceedings in the Supreme Court and in every High
Court,
(b) the authoritative texts-
(i) of all Bills to be introduced or amendments thereto to
be moved in either House of Parliament or in the House or
either House of the Legislature of a State,
(ii) of all Acts passed by Parliament or the Legislature
of a State and of all Ordinances promulgated by the
President or the Governor of a State, and
(iii) of all orders, rules, regulations and bye- laws issued
under this Constitution or under any law made by Parliament
or the Legislature of a State, shall be in the English
language.
(2) Notwithstanding anything in sub-clause (a) of clause
(1), the Governor of a State may, with the previous consent
of the President, authorise the use of the Hindi language,
or any other language used for any official purposes of the
State, in proceedings in the High Court having its principal
seat in that State:
Provided that nothing in this clause shall apply to any
judgment, decree or order passed or made by such High Court.
(3) Notwithstanding anything in sub-clause (b) of clause
(1), where the Legislature of a State has prescribed any
language other than the English language for use in Bills
introduced in, or Acts passed by, the Legislature of the
State or in Ordinances promulgated by the Governor of the
State or in any order, rule, regulation or bye-law referred
to in paragraph (iii) of that sub-clause, a translation of
the same in the English language published under the
authority of the Governor of the State in the Official
Gazette of that State shall be deemed to be the
authoritative text thereof in the English language under
this Article.
Article 349 of Constitution of India "Special procedure for enactment of certain laws relating to language"
During the period of fifteen years from the commencement of this Constitution, no Bill or amendment making provision for the language to be used for any of the purposes mentioned in clause (1) of Article 348 shall be introduced or moved in either House of Parliament without the previous sanction of the President, and the President shall not give his sanction to the introduction of any such Bill or the moving of any such amendment except after he has taken into consideration the recommendations of the Commission constituted under clause (1) of Article 344 and the report of the Committee constituted under clause (4) of that Article.