Article 343 of Constitution of India "Official language of the Union"
(1) The official language of the Union shall be Hindi in
Devanagari script. The form of numerals to be used for the
official purposes of the Union shall be the international
form of Indian numerals.
(2) Notwithstanding anything in clause (1), for a period of
fifteen years from the commencement of this Constitution,
the English language shall continue to be used for all the
official purposes of the Union for which it was being used
immediately before such commencement:
Provided that the president may, during the said period, by
order authorise the use of the Hindi language in addition to
the English language and of the Devanagari form of numerals
in addition to the international form of Indian numerals for
any of the official purposes of the Union.
(3) Notwithstanding anything in this Article, Parliament
may by law provide for the use, after the said period of
fifteen years, of-
(a) the English language, or
(b) the Devanagari form of numerals, for such purposes as
may be specified in the law.
Article 344 of Constitution of India "Commission and Committee of Parliament on official language"
(1) The
President shall, at the expiration of five years from the
commencement of this Constitution and thereafter at the
expiration of ten years from such commencement, by order
constitute a Commission which shall consist of a Chairman
and such other members representing the different languages
specified in the English Schedule as the President may
appoint, and the order shall define the procedure to be
followed by the Commission.
(2) It shall be the duty of the Commission to make
recommendations to the President as to-
(a) the progressive use of the Hindi language for the
official purposes of the Union;
(b) restrictions on the use of the English language for all
or any of the official purposes of the Union;
(c) the language to be used for all or any of the purposes
mentioned in Article 348;
(d) the form of numerals to be used for any one or more
specified purposes of the Union;
(e) any other matter referred to the Commission by the
President as regards the official language of the Union and
the language for communication between the Union and a State
or between one State and another and their use.
(3) In making their recommendations under clause (2), the
Commission shall have due regard to the industrial, cultural
and scientific advancement of India, and the jut claims and
the interests of persons belonging to the non-Hindi speaking
areas in regard to the public services.
(4) There shall be constituted a Committee consisting of
thirty members, of whom twenty shall be members of the House
of the People and ten shall be members of the Council of
States to be elected respectively by the members of the
House of the People and the members of the council of States
in accordance with the system of proportional representation
by means of the single transferable vote.
(5) It shall be the duty of the Committee to examine the
recommendations of the Commission constituted under clause
(1) and to report to the President their opinion thereon.
(6) Notwithstanding anything in Article 343, the President
may, after consideration of the report referred to in clause
(5), issue directions in accordance with the whole or any
part of that report.