Dr. Tyagi is a certified ENT Surgeon from Madras University. He was working at SGPGI (Sanjay Gandhi Post Graduate Institute of Medical Sciences) Lucknow as professor. He had worked at Sahara Hospital as senior consultant ENT, presently he is working at Javitri Hospital, Telibagh Lucknow. He received his ENT training after doing MS at JIPMER and at Nagoya Japan in Micro ear surgery. His interest include micro ear surgeruy, cochlear implant surgery, Nasal endoscopic surgery. He has been awarded by House Ear institute of USA, Nagoya university Japan, has been listed in Who’s Who and many national awards to his credit