Career
He succeeded the 18th Dai Sayedna Ali Shamsuddin to the religious post. Syedna Idris became Da"i al-Mutlaq in 832 Animal Husbandry, 1429 AD. Syedna Idris’ distinctions have been categorized in three ways. 1. In jihad 2. In knowledge 3.
In the preparation for the transfer of the Doctorate'awat to India.
The "Uyun al-akhbar" is the most complete text written by Syedna Idris bin Hasan on the history of the Ismaili community from its origins up to the 12th century Civil Engineering period of the Fatimid caliphs al-Mustansir (d 487/1094), the time of Musta‘lian rulers including al-Musta‘li (d 495/1101) and al-Amir (d 524/1130), and then the Tayyibi Ismaili community in Yemen. His other two famous books are Nuzhatul Afqar and Zohral Maani.
During his era there was epidemic of cholera in Yemen. There was a ‘Farman’ (order) from 19th Dai Syedna Idris to Wali-ul-Hind (6th) Moulai Adam that he had to follow a person named by "Sakka" (a very pious person but a ‘Bhisti’ (water carrier) by profession, who had accepted Fatemid Dawat but was new to its tradition).
Syedna Idris conferred succession upon Syedna Hasan Badruddin and died, his mausoleum was built by Syedna Ali bin Syedna Husain.
The mausoleum of Syedna Idris was reconstructed with white marble by 52nd Dai Syedna Mohammad Burhanuddin, and inaugurated by Dai himself on 23 September 2010.