"indecent" includes whatsoever may amount to any incentive to sensuality and excitement of impure thoughts in the mind of an ordinary man of normal temperament, and has the tendency to deprave and corrupt those whose minds are open to such immoral influence, and which is deemed to be detrimental to public morals and calculated to produce pernicious effect, in depraving and debauching the minds of persons.

[See, section 2(b), the Indecent Advertisements Prohibition Act, 1963 (Act No. XII of 1963)].