[1] NDP was formed with the aim of reservation of jobs for the economically backward sections of the Nairs.
National Democratic Party contested in 1982 as an ally of Indian National Congress led United Democratic Front, in which it won four assembly seats.
In the Third K. Karunakaran ministry as the nominee of Nair Service Society, K.G.R.
After Kartha's resign, in September 1983, R. Sundaresan Nair sworn in as the minister of state for health.
However, NDP left the UDF front in 1995 to protest against the desecration of the Mannam Samadhi Mandapam during Prime Minister Narasimha Rao's visit to Kerala.