Divya Praval Pishti is a renowned Ayurvedic remedy utilized to alleviate symptoms of cough, fever, osteomalacia, laxity, and acidity. This medicinal substance undergoes a meticulous treatment process, involving the infusion of various herbs and cultivation in fire, as outlined in ancient Ayurvedic texts. It is then combined with a range of other ingredients. Calx, prepared by Patanjali Ayurved and Divya Pharmacy, adheres to traditional refining techniques.