In the olden days up to 80s, when rubber estate and tin mining is still in operation, such scene is common in estate or kongsi housings. Cina who speaks some Tamil, or Indians who speaks some Chinese local dialects like Hokkien or canto...

Some Cina family who can't afford to raise kids gave away their infant daughters to Indian families, some Indian kids who lives and grow up along with their Cina friends etc... with the loss of such industry, estate and kongsi vanished, and so does the interracial interactions.