Why is the Economic survey book, Pink in color?

The Department of Economic Affairs, Finance Ministry of India presents the Economic Survey in the parliament every year, just before the Union Budget.It is prepared under the guidance of the Chief Economic Adviser, Finance Ministry. It is the ministry’s view on the annual economic development of the country. A flagship annual document of the Ministry of Finance, Government of India, Economic Survey reviews the developments in the Indian economy over the previous 12 months, summarizes the performance on major development programs, and highlights the policy initiatives of the government and the prospects of the economy in the short to medium term. This document is presented to both houses of Parliament during the Budget Session. (source: Wikipedia) Chief Economic Advisor Arvind Subramanian presented India’s economic survey 2017-2018. One thing that struck at first was the pink cover of the economic survey. Which is to underline the importance of gender issues to the economy. Surely, you need both genders for a society to thrive. But that’s not it. The survey also reveals a sex ratio, which is not in favour of the females and can be used to estimate a staggering 21 million missing girls. This estimate comprises mostly because of the preference of a male child over a girl child which led to the drop in sex ratio. But, it is safe to say that the above estimate also (if not mostly) comprises of girls trafficked, which is also one of the reasons for the unaccountability of these girls.