I suspect it's this part: "This ticket was priced in GBP, not INR. Because the journey originated in Manchester, the fare is denominated in the currency of the

I suspect it's this part: "This ticket was priced in GBP, not INR. Because the journey originated in Manchester, the fare is denominated in the currency of the origin country: the United Kingdom." So: the currency is the one for the country of origin.