Expected size of universe Required for Estimating proportion based on 10% sample at pre-assigned levels of precision, Ntional Industrial classification, Female workers and Non-workers according to main activity classified by marital status and age-groups, Industrial classification of persons at work other than cultivation as main activity by sex and divisions, major groups and minor groups, Industrial classification by sex and class of workers fo persons at work in non-household industry trade, business, Profession or service as main activity, Persons classified as Non-workers according to main activity cross-classified by sex, Age-groups, and education levels in urban areas only,