Children in Delhi have a far lower lung capacity and lung growth rate than kids of the same age in the US, according to this study by the department of pulmonary medicine at the Vallabhbhai Patel Chest Institute.

Underground drinking water samples at six different sites of hand pump at J.P. Nagar were collected and analysed for thirteen different water quality parameters following standard methods and procedures. Water quality index (WQI) has been calculated for all the sites using the statistical data of all thirteen parameters and WHO drinking water standards.