The Directorate General of Civil Aviation DGCA has issued notices to private aviation companies for flouting norms on the use of choppers and private aircraft during the election campaign, a top official said on Tuesday."We have received reports from states and the Election Commission regarding violation of norms in the use of choppers and aircraft by political parties during the ongoing poll campaign," S.N.A. Zaidi, director general of the aviation regulator DGCA, told reporters on the sidelines of a conference here. http://economictimes.indiatimes.com/News/News-By-Industry/Transportation...