"Sequel to the first volume published in 2020, the second volume is being brought out in 2022 as per the vision of Team IAP to constantly update all the readers. Advances in the various fields of pediatrics starting from neonatology and extending to development, nutrition, immunization, infectious diseases, adolescence, critical care, and different organ systems are presented with scientific evidence from recent publications. Newer insights in the fields of environment (noise pollution), child rights, genetics, and SARS-CoV-2 vaccines are some additional highlights of this volume. 27 chapters with at least one topic covered under each subspecialty. The chapters have been carefully prepared by eminent pediatricians across the country and abroad and peer-reviewed by equally illustrious colleagues.