(a) whether carbon emission per aircraft has increased in the country during each of the last three years despite various circulars issued by the Directorate General of Civil Aviation (DGCA) in this regard;
(b) if so, the details thereof and the reasons therefor;
(c) whether the Government has conducted any study to reduce carbon emissions by aviation sector and its adverse effect on the environment in the country;
(d) if so, the details and outcome thereof and if not, the reasons therefor;
(e) the details of the carbon emission reported by Indian Aviation Sector vis-avis other major developed/developing countries; and
(f) the other steps taken/being taken by the Government to reduce carbon emission per aircraft in the country?