In 1996, he was awarded a Doctorate of Medicine by Oxford University and received accreditation by the General Medical Council as a Specialist in Dermatology. He became Fellow of The Royal College of Physicians (FRCP) in 2001. Dermatology practice Dr Ratnavel runs a busy clinical practice, working both privately and in the NHS with colleagues in a multi-disciplinary setting, offering a comprehensive dermatology service. Special interests include the medical and surgical treatment of skin cancers and the diagnosis / management of challenging skin eruptions (rashes). Referrals are also taken for acne, hair disorders, and skin allergy.