The Road to WWIII - pretty good documentary in explaining how Petro-dollar was created and it's manipulation. Should point out that most of the things started when Nixon "temporarily" stopped dollar conversion to gold in 1971.

India reportedly explores yuan in oil trade with Russia, as frustration grows over US sanctions.

India is reportedly planning to buy Russian oil at discounted prices and even considering the Chinese yuan as a reference currency in an India-Russia payment settlement mechanism, a move that Chinese analysts say represents the growing frustration among world economies over the US-led sanctions against Russia that have rattled global markets.

https://www.globaltimes.cn/page/202203/1254958.shtml