Sukhminder Jit Singh Bajwa1, Lalit Mehdiratta2. 1. Department of Anaesthesiology and Intensive Care, Gian Sagar Medical College and Hospital, Banur, Patiala, Punjab, India. E-mail: sukhminder_bajwa2001@yahoo.com. 2. Department of Anaesthesiology and Critical Care, Narmada Trauma Centre, Bhopal, Madhya Pradesh, India.