Standards of Weights and Measures Act, 1976
13. Base unit of
numeration. -
(1) The base unit of
numeration shall be the unit of the international form of Indian numerals.
(2) Every numeration
shall be made in accordance with the decimal system.
(3) The decimal
multiples and sub-multiples of the numerals shall be of such denominations and
be written in such manner as the Central Government may, after previous
publication, specify by rules made in this behalf:
Provided that no such rule
shall be made before the expiry of six months from the date on which the draft
of the proposed rules was first published in the Official Gazette.