Re: You do know it isn’t the Royal Bank of India, right?
It’s not a typo, though I agree that ‘off the rails’ is a bit much.
The assumption that the R in RBI is the same as the R in RBS feels like a very western mistake when dealing with a country that used to be part of the British empire but now isn’t. I’m sure it wasn’t conscious but it still feels like a little bit more than a typo (but not, to your point, ‘off the rails’).