Nayak is the member of Royal College of Surgeons of Edinburgh and American Society of Clinical Oncology.

[7] Nayak completed his postgraduate training in surgical oncology in 2010 from Chittaranjan National Cancer Institute, Kolkata.

[8] Nayak received a fellowship in laparoscopic and robotic oncology in 2011 from Galaxy Care Laparoscopy Institute, Pune.

[11] Nayak has worked with Ministry of Health and Family Welfare on various cancer projects of Medical Council of India.

[12] He has also published multiple scientific papers and academic journals on robotic thyroidectomy, minimally invasive neck dissection and modified video endoscopic inguinal lymphadenectomy.