a) the total expenditure incurred by the Union Government on advertisements through print media, electronic media, advertisement-boards and other types of media including social media during the last four years and the current year, department-wise;
b) whether any study or assessment has been made to find out utility of these advertisements and benefits accrued thereof;
c) if so, the details thereof;
d) the advertising agencies which are empanelled for the above purpose; and
e) the names of such agencies alongwith the details of payments made during the last four years by the Union Government?