On 25 June 1960, he was inaugurated as the member of the
People's Representative Council of Mutual Assistance (DPR-GR), and on 15 September 1960, along with other members of the DPR-GR, he was inaugurated as the member of the Provisional People's Consultative Assembly (MPRS). He was later appointed by President
Sukarno as the Deputy Speaker of the Provisional People's Consultative Assembly on 9 November 1960. On 27 June 1963, with a presidential decree, he was dismissed as the member of the People's Representative Council of Mutual Assistance but still retained membership in the Provisional People's Consultative Assembly. On 18 June 1966, the Speaker of the Provisional People's Consultative Assembly,
Chairul Saleh, was arrested by Lieutenant General
Suharto. Puspoyudo was elected by the MPRS leadership to temporarily replace Saleh's position. He became the Acting Speaker of the
People's Consultative Assembly until the election of
Abdul Haris Nasution as the Speaker on 20 June 1966. He was promoted to
Major General, and became the Governor of the National Resilience Institute. He held the office until his death on 9 January 1968. According to his granddaughter, Puspojudo suffered a heart attack due to exhaustion. He was posthumously promoted to
Lieutenant General. He received a
military funeral at the
Kalibata Heroes' Cemetery, which was led by Acting Chief of Staff of the Army
Maraden Panggabean. == Awards ==