They made the demand at a token sit-in on "Noise Pollution Control Act- 2004: How long we are to wait?" at Muktangaon in the city. Sabdadushan Protirodh Samannaya Committee organised the sit-in.

They said the Ministry of Forest and Environment drafted an amendment to the Noise Pollution Control Act early this year to implement by June. But the final draft has not yet been finalised, they added.

They urged the government restrict the use of hydraulic horns, mikes, loud speakers, brick grinding machines and generators for the greater interest of the countrymen.

Representatives of different social and human rights organisations including The Hunger Project, Hunger Free World, Dotara, Sundar Jibon, Usha, Ushika Samaj Kalyan Sangstha, Nari Maitri, Young Fifty, Lions Club of Dhaka Town and WBB (Work for Better Bangladesh) Trust took part in the sit-in.