<prompt> Kuppuswamys socio-economic status classification includes all except:IncomeOccupationsHousingEducation  <response>: Ans: C Housing Ref: Textbook of Preventive and Social Medicine, K Park, 21st edition, Feb 2011Explanation:Kuppuswamv - in India prepared a scale based on education, occupation and income which are the three major variables contributing to socio-economic status in urban areas. Similar scales have also been prepared by Pareek and Kulshrestha for use in rural and urban areas.Modified Kuppuswamy scale - in India prepared a scale based on education, occupation of head of the family and monthly income of the family which are the three major variables contributing to socio-economic status in urban areas.Summary of RDA for Indians EnergyKcalcayProtein gdayCalciumIronVit AFolic acidAdult Male28753800 for heavy work6040028600100Adult Female22252925 for heavy work5040030600100Pregnancy30015100040600400Lactation 0-6months55025 751000309501506-12months40018 Prasad scale - based on income. Commonly used in rural areas.Pareeks scale - based on education, occupation, caste, level of social participation, land holding, farm power, housing, material possession and family type. It is used in rural areas. 