 He represented the Shillong constituency in Meghalaya state.Kyndiah was a member of the Meghalaya Legislative Assembly from 1970 to 1993, and he was a Cabinet Minister in the Government of Meghalaya four times between 1975 and 1988.From 1979 to 1981, he was the Leader of the Opposition in the Meghalaya Legislative Assembly; he was Acting Chief Minister of Meghalaya in 1987, and he was Speaker of the Meghalaya Legislative Assembly from 1989 to 1993.