Environment, Forest and Climate Change Adviser Syeda Rizwana Hasan speaks as the chief guest at an awareness programme on sound pollution control in front of Gulshan Society Jame Mosque in the capital on Friday.

Environment, Forest and Climate Change Adviser Syeda Rizwana Hasan speaks as the chief guest at an awareness programme on sound pollution control in front of Gulshan Society Jame Mosque in the capital on Friday.