>>55714134Laventon is the Pokémon representation of a Briton of Indian descent, probably a first generation migrant, because India was a British colony for many years, after colonization, many people from the upper Indian castes sent their children to study and/or live in England, some staying to live there, just as an example Gandhi had his professional education in England.
Furthermore, SWSH specifies that Copperajah is not originally from Galar.
Does it mean there will be an Indian region? Not really, but it's a nice touch that they reconnected Raichu with Copperajah by being based on an Indian elephant.