"India was a part of the study conducted in over 100 countries all across the world and Jaipur was one of the centers. The Indian data were recently analyzed and published in the Journal in which 93,016 children of two age groups (5-6 years and 13-14 years) participated," she said.Describing the data as frightening, Dr Virendra Singh, President Indian Chest Society said that traffic pollution should be controlled by better public transport system, banning entry of heavy traffic in the city and removing truck and bus repair shops from residential localities.