Tulsi (Ocimum tenuiflorum), commonly known as Holy Basil, is a highly valued medicinal and aromatic plant with significant cultural, therapeutic and ecological importance. Widely used in Ayurveda, it is recognized for its diverse pharmacological properties, including antioxidant, antimicrobial, anti-inflammatory and adaptogenic effects, mainly due to bioactive compounds such as eugenol and ursolic acid. Tulsi plays an important role in managing respiratory disorders, stress, metabolic diseases and enhancing immunity. Modern scientific studies have validated many of its traditional medicinal uses, increasing its application in pharmaceuticals and nutraceuticals. Besides its therapeutic value, Tulsi is easy to cultivate, environmentally beneficial and economically important, making it a valuable plant for promoting sustainable healthcare and agricultural development.