Advance tickets for Apr 7 sell out within two minutes of going live
Maolana Gias Uddin Ahmed, head of the Ijtema management committee, said: "‘Jor' means congregation or reunion. The participants will go out preaching for Islam at the end of the five-day programme."
They will take part in the Bishwa Ijtema, the second largest Muslim congregation after the Hajj, starting from Jan 13, 2017, he said.
The programme will end with prayers on Tuesday afternoon.