Tulsi (Holy basil) is known for its medicinal value. Tulsi contains a number of beneficial compounds such as phytochemicals which possess antibacterial, antiviral, anti-oxidative and adaptogenic properties. Studies carried out by some workers revealed that the Tulsi is effective in removal of 95% fluoride from groundwater within 20 minutes. The effect of tulsi leaves on fluoridated water studied by the authors and analyzed it is observed that it has negligible defluoridation property. Wide publicity has been given by press and media about the efficacy of Tulsi for defluoridation in Nalgonda district of Andhra Pradesh. It is observed that majority of the people started using Tulsi as a defluoridation technique. This has prompted the authors to study the efficacy of Tulsi (Holy Basil) for removal of fluoride from the groundwater
