Ans 1 : Importance of Forein trade need to be discussed along with an Introduction. (chapter 1). Second part need to be searched in net. (a small Paragraph is there in Chapter 1) Elaborate how Govt. help Agriculture export, like better storage condition, improvement of Transportation (Field to Port) , Better Seeds etc.
2) Its given very well in Internet, can directly put the comparision and nice explanations are there. Section 2.2.2 to 2.2.3, Page 27-29
3) Section 7.2.1 Need to elaborate