Syedna Ali Shamshuddin Bin Syedna Abdullah ’ (Death: 2 Safar 832 AH

Islamic calendar

The Hijri calendar , also known as the Muslim calendar or Islamic calendar , is a lunar calendar consisting of 12 lunar months in a year of 354 or 355 days. It is used to date events in many Muslim countries , and used by Muslims everywhere to determine the proper day on which to celebrate Islamic...

/1429AD ), Shareka in Yemen was the 18 th Da'i al-Mutlaq

Da'i al-Mutlaq

The term Dāʻī al-Mutlaq literally means "the absolute or unrestricted missionary". In Ismā'īlī Islām, the term dāʻī has been used to refer to important religious leaders other than the hereditary Imāms, and the Daʻwa or "Mission" is a clerical-style organisation. "The Daʻwa" was a term for the...

 (Absolute Missionary) of the Dawoodi Bohra

Dawoodi Bohra

Dawoodi Bohra is a subsect of Ismāʿīlī Shīʿa Islām. While the Dawoodi Bohra is based in India, their belief system originates in Yemen, where it evolved from the Fatimid Caliphate and where they were persecuted due to their differences from mainstream Sunni Islam...

 sect of Musta‘lī

Mustaali

The Musta‘lī Ismā'īlī Muslims are so named because they accept Al-Musta'li as the nineteenth Fatimid caliph and legitimate successor to his father, al-Mustansir...

 Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

. He succeeded, the 17th Dai Syedna Hasan Badruddin Syedna Abdullah to the religious post.

Syedna Ali became Da'i al-Mutlaq in 821AH /1411AD. His period of Dawat was from 821-832 AH/ 1411-1429 AD.