There are no home remedies or licensed drugs that can cure COVID-19 currently.
The Indian Ministry of Health and Family Welfare has stated that there is no cure yet. The COVID-19 advisory by the World Health Organization says that eating pepper and garlic does not prevent or cure COVID-19. Garlic and pepper might act as antimicrobial medicine, but there is no evidence showing that eating them protects and heals people.
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.