Dwip Unnayan Songstha ( DUS). 24/5 Mollika, 3 Pisciculture Road, Mohammadpur, Dhaka -1207, Bangladesh
Phone : 9122145, Mobile: 0176-1493407 . E-mail : dusdhaka@gmail.com, dus.eddus@gmail.com , URL: http://dwipunnayan.org