Why are countries trying to move away from the dollar? What has India done so far in this regard? And why is there a risk of Chinese domination if the dependence on the US dollar does go down?

Trump's threat to impose 100% tariff on BRICS nations won't worry Indian policymakers, given that it has consistently denied any interest in replacement of US dollar as global currency.

India’s rupee has fallen to its lowest point ever, trading at 84.6850 per dollar after a government report revealed the slowest economic growth in two years. But the rupee isn’t just slipping because of domestic issues.