Deepfakes are being used to personalize political messages in India, here’s a fun article on it which also points out an instance all the way back from 2020: https://www.aljazeera.com/news/2024/2/20/deepfake-democracy-behind-the-ai-trickery-shaping-indias-2024-elections

It also mentions using deepfakes to target constituencies speaking different languages, to defame opposing parties, and even creating deepfakes to cast doubt on legitimate videos:

Ahead of the state election in November, the caller requested that Jadoun alter a problematic but authentic video of their candidate – ​​whose party he did not disclose – to make a realistic deepfake. The aim: to claim that the original was a deepfake, and the deepfake the original.