Muhammad Sirajul Hasan was the Ameer-e-Halqua of Mysore (Karnataka) from 1st August,1958 to 6th April, 1984. Afterwards, he was appointed as the Secretary of Markaz Jamaat and held this post till he elected Ameer for the term 1990-94. Previously, he also served the Jamaat as its Acting Ameer for about half a year. He was re-elected Ameer of the Jamaat for the terms 1995-99 and 2000-04. Collection of some of his speeches are available in below link.
1. 9-5-1981 Inaugural Address at Mansoora Hassan
2. 1-2-1986 Seminar Presidential Address
3. 2-8-1999 Rufqa e Jamaat se Qitaab
4. 4-2-1990 Hamri Ijtemai Zimmedariya
5. 5-5-1998 Mulk ke Maujuda Masail
6. 5-8-92 Dars E Quran Surah Al Imran