Savita Yadav1, Sunil Dogra1. 1. Dr Yadav is an Assistant Professor, Department of Dermatology and Venereology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India. Dr Dogra is an Additional Professor, Department of Dermatology, Venereology, and Leprology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.