- Written by internationally recognized experts in the field of dermatology insist upon the fact that the condition of a patient should be meticulously and sincerely assessed - Believing that science is the skill of measurement and measuring precisely is the science of Scoring Systems that ensures lucid communication of severity of disease. This assists in deciding the management on whether to continue or modify the treatment initiated - The dermatologists cannot think of treating leprosy without the BI and MI of leprosy that is assessing the gradation of the disease, clinical signs and scoring systems which measure the quality of life of a patient and not merely the life of the patient