 C. K. Chandrappan, the former CPI MP from Trichur, was adjudged the top performer by the National Social Watch, an NGO.However he could not be re-elected to the 15th Lok Sabha.He attended the 25th Congress of Communist Party of Soviet Union in 1975, Bulgarian Communist Party Congress in 1981,Young Communist League in Moscow, World Youth Festival in Sofia, and World Food summit in 1994 at Rome.