The Board was reconstituted twice since 1977 (in 1979 and 1980) and the structure of the Board was composed of Chief Minister as Chairperson, Vice Chairperson and Members. In 1980, the Board was reconstituted with Chief Minister Sri E K Nayanar as the Chairperson. Till the reconstitution in 1980, the Member Secretary of the Board was also the Planning Secretary in Secretariat. In this Board, however, the Member Secretary did not combine in himself the role of Planning Secretary in Government. Industries Division, Perspective Planning Division and Social Service Division were established in 1980.