•        Each patient will undergo physical examination before surgery & airway assessment tests – Acromio-axillo suprasternal notch index (AASI),  Modified Mallampati Test (MMT), Ratio Of Height to Thyromental Distance (RHTMD), Sternomental distance, Thyromental distance, Neck circumference, Upper lip bite test  will be assessed by the post graduate independent researcher who is not involved in subsequent study .

•        Patient is shifted to OT after confirming  NPO  and taking consent. ASA standard monitors attached.  pre-oxygenation is done  for 3 min with 100% oxygen  with all patients receiving analgesic Inj. Fentanyl 2mcg/kg.

•        Induction will be done with Inj. Propofol 2 mg/kg as starting dose and then subsequently titrated to loss of eye lash reflex.

•        After confirming successful bag and mask ventilation, direct laryngoscopy and tracheal intubation will be  facilitated with depolarising muscle relaxant.

•        With the head on a standard pillow of height 7cm and in the sniffing position, direct laryngoscopy was performed with Macintosh laryngoscope blade 3 by an anaesthesiologist with more than 2 years of experience. The laryngeal view was graded according to the Cormack and Lehane grading system .  PG who had  assessed the parameter preoperatively will note down the findings.

•        Total number of intubation attempts, number of involved anaesthesiologists, alternate techniques used, requirement of additional lifting force, laryngeal pressure applied, vocal cord mobility is noted down .