Explanation:

 Economic Survey 2018 carries pink theme to emphasise on women empowerment, gender inequality. The Economic Survey 2018 started with the pressing issue of gender equality in the country. In a first, the survey document was in a pink cover in order to show the government's commitment and solidarity to women empowerment and equal rights. Explaining the significance of the pink cover, the finance ministry's Chief Economic Adviser Arvind Subramanian said, "In our bid to further the cause of women's empowerment, the cover of Economic Survey 2018 is pink."