law: The Legal Metrology Act, 2009
  5. Base unit of
  
  weights and measures. -
  1.  The
  
  base unit of -
   
  
   i.  
  
    length
  
  shall be the metre;
  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.
  1.  
  2.  The
  
  specifications of the base units mentioned in sub-section (1), derived units
  
  and other units shall be such as may be prescribed.