House No # 457(1st Floor) Road No # 31,
New DOHS, Mohakhali, Dhaka-1212 Phone: 01711982420,02-9833466
E-mail: thdevelopment2007@gmail.com
Web: http://www.thdlbd.com
SEL Centre,
29 Bir uttam Qazi Nuruzzaman Sharak,
West Panthapath, Dhaka-1209
Phone: 880-2-9116572,8127257,8154294,81255408,0171-574983 Fax: 88-02-8129837 E-mail: info@sel.com.bd
Web: http://www.sel.com.bd