Syedi Qasim Khan Zainuddin is from the progeny of Syedi Fakhruddin Shaheed(QS). He had the good fortune of serving Syedna Moosa Kalimuddin(RA), Syedna Noor Mohammed Nooruddin(RA) and Syedna Ismail Badruddin(RA). He was the Wali of Ahmedabad and Surat. He explained to the Hujumiyah Sect about coming back to the right path of Dawat and many of them gave their Misaq to the Dai under his guidance. He was appointed as mazoon before his wafaat.