It’s actually India, not Saudi Arabia.
http://in.reuters.com/article/2012/08/06/india-iran-ship-oil-idINDEE8750DQ20120806
Actually it is Iran and SA:
http://www.globalpost.com/dispatch/news/regions/middle-east/iran/120806/irans-ahmadinejad-will-attend-saudi-arabia-summit-repo