An exclusive email to The Indian Express and an exclusive statement to Hindustan Times by a spokesperson for the Prince of Wales disproves the claim.
According to The Indian Express, Ella Lynch, a spokesperson to Prince Charles, informed via an email that the Prince of Wales had been under the medical advice of the NHS(National Health Service) in the UK and did not receive Ayurvedic treatment. She has also said that the information provided by Union Minister Shripad Naik was incorrect.
A spokesperson for the Prince of Wales told Hindustan Times that Prince Charles followed the medical advice of the NHS. It also states that Isaac Mathai, who claimed that his formulation cured Prince Charles of the coronavirus infection, refused to comment on Naik's remarks.
The COVID-19 pandemic has given rise to a lot of potentially dangerous misinformation. For reliable advice on COVID-19 including symptoms, prevention and available treatment, please refer to the World Health Organisation or your national healthcare authority.