You can choose only one business currency for your transactions. If you want to use two different currencies or you have transactions consisting of a different currency apart from the selected one, first select any one currency in the preferences and convert into other currency you prefer. For example, if you are choosing US and INR currencies, choose any one of them as the prior, say as US, now while adding transaction, convert your INR to US currency and proceed with your entry.

For example, if you are choosing US and INR currencies, choose any one of them as the prior, say US, now while adding transaction, convert your INR to US currency and proceed with your entry.