Russia can't protect its allies. This is big. Russia has lost both military and political power. BRICS only survives because of China. Russia will implode over its economy soon too.
"BRICS" isn't any sort of actual alliance. South Africa is rapidly approaching failed state territory while China and India have ramped up hostilities across their borders.
And did you read the second half of the BBC article about how relations are still incredibly tense between the two? China and India are about as friendly today as the US and Russia were before the annexation of Crimea