I know plenty of Indians (and people of other races)who have found it very useful to have gold (serious amounts not a wedding ring) in times of emgency. When a currency becomes worthless gold tend not to for one reason and another.
When indians and pakistanis had to leave east africa in a hurry they legged it with their gold, not their currency from the storys im told by those there.
Wont help you at the local branch of hsbc to pay of your overdraft.
Might help you if your local/own currency devaules dramtically, trade with those whose currecny it devalued agiasnt.