A 500% tariff on Russian oil buyers? Why a US bill could shut India out of its biggest export market

India is once again facing the heat of a proposed US law that seeks to levy a whopping 500% tariffs on countries for buying Russian crude oil. US Republican senator Lindsey Graham said on Jan 7 that US President Donald Trump has “greenlit” the ‘Russia Sanctions Bill’ that has been in limbo for the past few months.