After each prayer, Imam would recite Takbir 3 times. He would then recite the Tasbeeh of Hadrat Fatimah (a.s.) (34 times Allahu Akber (God is Great), 33 times Alhamdolillah (Praise be to God), 33 times Subhanallah(Glory be to God)), followed by Sura Fateha and Ayatul Kursi. He would then recite verses 18, 26, and 27 of Sura Aal-e-Imraan.
(A memoir by Agha Maseeh Bourujardi - Imam's grandson)