This is an article about the expansion of Ismailism in Multan and Sind since Dai Hatim was sent to these areas in 883AD (Fatimid took power in Maghreb in 909 AD). The expansion continued later under Dai Jalam b. Shayban( http://ismaili.net/heritage/node/2187) who seize Multan for the Fatimid Imams in 985 AD.

ISMA'ILIYYA, a major branch of the Shi'a with numerous subdivisions. It branched off fromthe Imamiyya [see ithna 'ashariyya] by tracing the imamate through Imam Ja'far al-Sadiq's son
Isma'il, after whom it is named. By: M. Kamil Husayn, Ta'ifat al-Isma'iliyya, Cairo 1959.
http://www.muslimphilosophy.com/ei/isma.htm

Summary Descriptions of the Great Heroes in Ismaili History

Charts taken from various sources

These are our Heroes! Role models for our kids yesterday, role models today and forever!
This book contains 33 Heroes compiled by H.S.H. Prince Aly S. Khan Colony Religious School, Karachi, 1973.

I am glad to present this important monograph fortunately completed on the day of my birth. It affords brief history of the flag/banner with special reference to the flag of the Shia Ismaili Muslims, its origin in Islam and symbolic interpretation of its colours, incorporated with rare accessible photographs. Hitherto, no materials on the subject have been explored scholarly. In the following pages, a serious attempt has been made to gather within a convenient compass the information scattered.