PROF. DR. RAJAN SINGH SOOD ( B.SC. BHMS, MD, PGDHHM, M.PHILL ( HOSPITAL & HEALTH SYSTEM), PHD.) IS EX PRINCIPAL AND PRESENTLY PROFESSOR, DEPARTMENT OF REPERTORY, AT RAJASTHAN VIDYAPEETH HOMOEOPATHIC MEDICAL COLLEGE, DABOK, UDAIPUR, RAJASTHAN, INDIA.