Satvinder Singh Bakshi1,2. 1. Department of ENT and Head and Neck Surgery, Mahatma Gandhi Medical College and Research Institute, Pillaiyarkuppam, Pondicherry, 607402, India. saty.bakshi@gmail.com. 2. , House Number B2, Shree Pushpa Complex, 15th Bharathi Street, Ananda Nagar, Pondicherry, 605009, India. saty.bakshi@gmail.com.