Syedna Ismail Badruddin (I) Bin Maulaya Raj (died on 23rd Jumada al-Akhirah 1085 AH/1676 AD, Jamnagar, India) was the 34th Da'i al-Mutlaq of the Dawoodi Bohras.
Ismail Badruddin was born in Jamnagar, in the Kathiawar Peninsula of the modern Indian state of Gujarat, in 990 H/1582 AD.
They had taken knowledge and trained for this khidmat by Syedna Al-Mu'ayyad fi'l-Din al-Shirazi, the Bab-ul-Abwab of Mustansir Imam.
[citation needed] Badruddin’s father, Maulaya Raj, brought him to Ahmedabad, to the presence of the 27th Da'i Dawood Bin Qutubshah, when he was twelve years old.
[citation needed] Maulaya Raj performed Ismail’s marriage to a pious lady named Boodi Bai.
[citation needed] Ismail Badruddin served seven Da'is (27th to 33rd); Dawood bin QutubShah, Shaikh-Adam Safiyuddin, Abduttayyeb Zakiyuddin I, Ali Shamsuddin, Qasim-Khan Zainuddin, Qutub-Khan Qutbuddin, and Feer-Khan Shujauddin.