Section 10k(8) in The Standards of Weights and Measures (General) Rules, 1987
(8)Discrimination(i)Non-self indicating instrumentAn extra load equivalent to the value of the maximum permissible error for the applied load when gently placed or withdrawn from the instrument at equilibrium shall produce movement as required under sub-paragraph (1) of paragraph 6.(ii)Self or semi-self indicating instrument(a)Analogue indicationAn extra load equivalent to the maximum permissible error for applied load when placed gently on or withdrawn from the instrument at equilibrium shall cause a permanent displacement of the indicating element corresponding to not less than 0.7 times the extra load.(b)Digital indicationAn additional load equal to 1.4 times the actual scale interval, when gently placed on or withdrawn from the instrument at equilibrium shall change the initial indication.