Albizia lebbeck (Bilwaara/shirisha) leaves Powder is an ayurvedic medicine Secondary and off-label uses of Albizia lebbeck (Bilwaara/shirisha) leaves Powder have also been mentioned below. The correct dosage of Albizia lebbeck (Bilwaara/shirisha) leaves Powder depends on the patient's age, gender, and medical history. This information has been provided in detail in the dosage section.