Maulana Jubair Hassan, Bangladeshi leader of Tabligh Jamaat, is scheduled to conduct the final prayer between 11am and 12 noon.
The Ijtema began on the banks of the Turag River in Tongi after Fazr prayers on Friday with "a'm bayan" (general sermons) by Pakistani Islamic scholar Maulana Obaidul Khorshed.
Thousands of local and foreign devotees took part in the religious event to seek divine blessings of the Almighty Allah.
Maulana Abdur Rahman, an Indian leader of Tabligh Jamaat, delivered sermons on Saturday.
Md Anwar Hossain, commissioner of Gazipur Metropolitan Police, said the vehicular movement would remain suspended from Hazrat Shahjalal International Airport to Joydebpur on the Dhaka-Mymenshingh Highway from 4am so that the congregation ends well.