In the decision D.S. Nakara vs Union of India, (A.I.R. , their Lordships of the Supreme Court enunciated the principle as follows: "With the expanding horizons of socioeconomic justice, the Socialist Republic and Welfare State which the country endeavours to set up and the fact that the old man who retired when emoluments were comparatively low are exposed to vegaries of continuously rising prices, the falling value of the ruppe consequent upon inflationary inputs, by introducing an arbitrary eligibility criteria, 'being in service and retiring subsequent to the specified date ' for being eligible for the liberalised pension scheme and thereby dividing a homogeneous class, the classification being not based on any discernible rational principle and being wholly unrelated to the objects sought to be achieved by grant of liberalised pension and the eligibility criteria devised being throughly arbitrary, the eligibility for liberalised pension scheme of "being in service on the specified date and retiring subsequent to that date" in the memoranda Exs.