Vignaket was born in Phichit Province, Siam to a Vietnamese immigrant family. (In official biography before he died, he was identified that he was born in Attapeu Province.) In 1975 he was appointed as vice minister of defence, serving until 1981. Vignaket was elected as Head of the LPRP Central Committee Organization Board in 1982 and again in 1986, serving until 1989. Through this role, he was in charge of ideological and cultural works of the Lao People's Revolutionary Party (LPRP).[4]
Death
He died at 00.24 am on July 22, 2016 at the age of 89.[5]