A student holds a placard during an awareness campaign to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove

Volunteers from the Gulshan Society, Bangladesh Scouts and Bangladesh National Cadet Corps assist the Department of Environment and Bangladesh Road Transport Authority to conduct a mobile court drive and an awareness campaign to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove

Leaflets are distributed among people during an awareness campaign to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove

Leaflets are distributed among people during an awareness campaign to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove

Leaflets are distributed among people during an awareness campaign to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove

A student holds a placard as others distribute leaflets during an awareness campaign to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove

A member of Bangladesh Scouts uses a loud-hailer during an awareness campaign to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove

The Department of Environment and Bangladesh Road Transport Authority conduct a mobile court drive to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove

An official measures the level of sound during a mobile court drive to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove

Authorities seize banned hydraulic horns during a mobile court drive to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove

A man holds a placard during an awareness campaign to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. The Department of Environment and Bangladesh Road Transport Authority also conducted a mobile court drive during the campaign. Photo: Asif Mahmud Ove

A man holds a placard during an awareness campaign to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. The Department of Environment and Bangladesh Road Transport Authority also conducted a mobile court drive during the campaign. Photo: Asif Mahmud Ove

Authorities seize banned hydraulic horns during a mobile court drive to control sound pollution in Dhaka’s Gulshan on Tuesday, May 17, 2022. Photo: Asif Mahmud Ove