Sidhara Betta Herbals Cassia Fistula Flowers Powder (Amaltas) is an ayurvedic medicine Secondary and off-label uses of Sidhara Betta Herbals Cassia Fistula Flowers Powder (Amaltas) have also been mentioned below. The correct dosage of Sidhara Betta Herbals Cassia Fistula Flowers Powder (Amaltas) depends on the patient's age, gender, and medical history. This information has been provided in detail in the dosage section.