The local administration has imposed section 144 in Basurhat municipality in Noakhali after two groups called separate programmes at the same venue and same time.
The restrictions will remain in force from 6am to 6pm on Monday, Upazila Nirbahi Officer of Basurhat M Ziaul Haque Mir said on Sunday night.
No meeting, rally and any kind of gathering can be held during the period, he said.
Followers of Basurhat municipality Mayor Abdul Quader Mirza convened a mourning rally and milad mahfil at Rupali Chattar at 2:30pm for journalist Burhan Uddin Mujakkir.
Former upazila parishad Chairman Mizanur Rahman also called a protest rally at the same venue and same time.
Later, the local administration imposed the ban to fend off further trouble.
Burhan who was injured in a clash between the supporters of Quader Mirza and Mizanur died at a Dhaka hospital.