Dhaka, Dec. 3 -- Government primary school teachers in Bangladesh have announced a nationwide "complete shutdown" from Wednesday as part of their ongoing protest over pay and promotion demands.

The Primary Teachers' Demand Implementation Council, which is leading the movement, made the announcement late on Tuesday, saying there had been "no visible progress" despite the finance ministry's earlier promise to address their three-point demand.

Teachers say 22 days have passed since the assurance, but the government has yet to take concrete steps. As a result, they will lock school gates, halt classes, and continue boycotting exams in all primary schools, including Grade 11, until their demands are met.

The group said show-cause notices is...