Legal Metrology Act, 2009

Base unit of weights and measures.

5. (1) The base unit of—

 (i)  length shall be the metre;

(ii)  mass shall be the kilogram;

(iii) time shall be the second;

(iv) electric current shall be the ampere;

(v)  thermodynamic temperature shall be the kelvin;

(vi) luminous intensity shall be the candela; and

(vii) amount of substance shall be the mole.

(2) The specifications of the base units mentioned in sub-section (1), derived units and other units shall be such as may be prescribed.