<h1>Aga Khan, Spiritual Leader of Ismaili Muslims, Passes Away at 88; Praised for Humanitarian Efforts and Visionary Leadership.</h1> The Leader of Opposition in the Lok Sabha and the Congress president expressed condolences over the death of the Aga Khan, the spiritual leader of Ismaili Muslims, who passed away at 88. They praised him as a visionary leader dedicated to humanitarian efforts in health, education, and economic development. The Aga Khan, who became the spiritual leader at 20, invested in building infrastructure in developing countries. His successor will be announced after a reading of his will in Lisbon. The Ismaili community's tradition dictates that the successor is chosen from his male progeny or other relatives.