Comparison of time to intubate and intubation conditions with CMAC Miller blade size 1 and CMAC Macintosh blade size 2 in pediatric patients-A prospective randomized controlled study

•Direct Macintosh and Miller blade are widely used for endotracheal intubation in children and compared for intubating conditions and time for intubation.•Videolaryngoscopes have been compared with direct laryngoscopes for intubating conditions and time for intubation.•Pediatric videolaryngoscopes blade have different designs. CMAC videolaryngoscope has pediatric Miller blade and Macintosh blade.•CMAC videolaryngoscope Miller size 1 and Macintosh size 2 blade provide comparable time for best glottic view, time for intubation and attempts for intubation in children aged 1–4 years.•Cheek retraction was required for intubation with CMAC Miller blade in higher number of cases in comparison to CMAC Macintosh blade.