Satvinder Singh Bakshi1,2, Seepana Ramesh3. 1. Dept of ENT and Head & Neck Surgery, All India Institute of Medical Sciences Mangalagiri, 522503, Guntur, Andhra Pradesh, India. saty.bakshi@gmail.com. 2. , House 1A, Selvam apartments, 71 Krishna nagar main road, 605008, Pondicherry, India. saty.bakshi@gmail.com. 3. Dept of ENT and Head & Neck Surgery, All India Institute of Medical Sciences Mangalagiri, 522503, Guntur, Andhra Pradesh, India.