The procession of the Karbala charity organization, one of the centers related to Grand Ayatollah Shirazi, continues to serve the pilgrims of Imam Hussein, peace be upon him, during the holy pilgrimage of Arbaeen. By establishing itself in this holy city, following the recommendations of the Grand Ayatollah Seyyed Sadegh Hosseini Shirazi regarding providing services to Hosseini pilgrims, this institution receives them at various times.