To rate Modi against each previous PM's would require considerable research involving substantial time and effort. However if you can list down what you deem to be Modi's successful foreign policies I could give you a critical appraisal against each one of them. In the meantime here is some food for thought.
1. Two Years of PM Modi: Inconsistent and Personalised Foreign Policy is Hurting India http://www.thecitizen.in/index.php/NewsDetail/index/2/7784/Two-Years-of-PM-Modi-Inconsistent-and-Personalised-Foreign-Policy-is-Hurting-India http://www.thecitizen.in/index.php/OldNewsPage/?Id=7834&Idea%20of%20India:%20There%20is%20More%20to%20Foreign%20Policy%20Than%20Frequent%20Flyer%20Miles https://www.washingtonpost.com/news/worldviews/wp/2015/09/23/modi-makes-a-lot-of-overseas-trips-but-is-he-a-diplomatic-failure-with-indias-neighbors/ 2. With Pakistan, Modi's Big Own-Goal http://www.ndtv.com/opinion/with-pakistan-modis-big-own-goal-1210758 3. On NSG Policy http://indiatoday.intoday.in/programme/is-nsg-essential-for-india-or-a-mistaken-quest/1/699472.html http://tribune.com.pk/story/1129138/six-nations-oppose-indias-nsg-membership/ http://www.ndtv.com/opinion/on-nsg-issue-india-has-hyphenated-itself-with-pak-1427747 4. On Nepal http://www.thehindu.com/opinion/lead/modis-neighbourhoodfirst-policy-losing-the-neighbourhood/article8612193.ece http://economictimes.indiatimes.com/news/politics-and-nation/modi-sarkar2-incoherent-pakistan-policy-nepal-mismanagement-cloud-pms-foreign-policy/articleshow/52431793.cms http://foreignpolicy.com/2015/10/23/india-pushes-nepal-into-chinas-arms/ Regards, Marshall -*---* *I'm curious to know how Marshall would rate all the other Indian PrimeMinisters again Modi record terms of 'substantial benefits in trade orrelations derived.'Let's say baseline Modi is a (5), rate the others from 0 to 10. Tenbeing the best.Perhaps Modi should be sat at baseline (0) if all performed better...AP*