The Legal Metrology Act, 2009

55. Act not to apply in certain cases. -

The provisions of this Act, in so far as they relate to verification and stamping of weights and measures, shall not apply to any weight or measure,-

a.   used in any factory exclusively engaged in the manufacture of any arms, ammunition or both, for the use of the Armed Forces of the Union;

b.   used for scientific investigation or for research;

c.   manufactured exclusively for export.