The British curry tradition dates back to 1747 and has little to do with ours. As for Japanese curry? Revolting!
Indians have a complicated relationship with the word ‘curry’? At one level, we resent the way in which it has come to define our cuisine. There is, we confidently assure foreigners, no such word as curry in any Indian language. We never even refer to gravy dishes as curries. We prefer a variety of terms, derived from Indian languages: Korma, gassi or whatever.
I guess there are two curries. There is ours. And then sadly enough, there is the British version