ctor is calculated based on samples and included in GDP. but service provided by housewife etc at home are not recorded in GDP. Thus, developing countries such as India has such economic activities which are not included in GDP for want of data. Thus GDP does not show actual picture of country GDP. 2. Main difference between GDP and GNP is that GDP does not count the inflow and outflow of income. that is why clear picture does not come to fore. On other hand GNP takes into account the inflow...