Tulsi extract, Properties Uses : Ocimum sanctum (holy basil), called Tulsi in India, is ubiquitous in Hindu tradition. Perhaps its role as a healing herb was instrumental in its "sacred" implication. Ocimum sanctum(Tulsi) is perhaps the most common and most revered of all household plants in India. Tulsi is an erect sweet -scented pubescent herb, 30-100cm in height , growing in abundance near cultivated field gardens and waste lands. Its leaves, seeds ands whole plant is useful.