By undertaking only his second visit abroad since the February invasion of Ukraine, to Iran, Russian President Vladimir Putin has underlined the importance of Teheran in Moscow\u2019s strategic calculus.\nIs there a budding alliance between the world\u2019s two most sanctioned countries? Will they also be able to complete the Astara-Rasht-Qazvin railway line linking the two countries through Azerbaijan? Do Russia and Iran have Chinese backing as they deal with sanctions and the fallout of the Ukraine war?\nGuest: D.B. Venkatesh Varma, former Indian Ambassador to Russia.\nHost: Amit Baruah, Senior Associate Editor, The Hindu\nEdited by Reenu Cyriac