Das S, Kundra P, Shah A, Ahmed SM, Patwa A, Raveendra US, Shetty SR, Doctor JR, Pawar DK, Ramesh S. Republication: All India Difficult Airway Association 2016 Guidelines for Tracheal Intubation in the Intensive Care Unit. Indian J Crit Care Med 2017; 21 (3):146-153.