Sayyed Mohammad Al-Musawi,
Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to religious questions. In the past, he has also spent significant time in India guiding the community.
No. We don't have any authentic evidence that the Prophet Muhammad (SAWA) or any of his holy Progeny Ahlul Bayt (As) moved index finger during Tashahhud in prayers.
None of the authentic Hadeeths suggest that.