Speaker G. Karthikeyan returned to the State capital on Friday after attending the 59th Commonwealth Parliamentary Conference in Johannesburg in South Africa, his office said in a press release here.

Mr. Karthikeyan presented the keynote addresses at sessions devoted to the ‘Threat posed to the democratic system by growing imbalances in resource sharing’ and ‘Policy initiatives for the welfare of the aged’. Parliament and assembly-level speakers from various Commonwealth countries attended the conference.

Mr. Karthikeyan also visited countries such as Austria, Spain, and the Netherlands as part of a study programme ahead of the Commonwealth Parliamentary Conference, the press release said.