According to Ayurveda, Tulasi Arka is useful in Kasa (Cough), Pratisyaya (Cold) ... It also helps in Sore Throat, Bronchitis, Bronchial Asthma and Malaria. Ingredients: Aqueous Extract of Organic Tulasi (Ocimum sa. ... According to Ayurveda, Tulasi Arka is useful in Kasa (Cough), Pratisyaya (Cold) , Swasa (Dyspnoea)