You can find out the offline tender notices of the government organisations of Bangladesh on the following pages:
Public Works Department (PWD)
Roads and Highways Department (RHD)
Bangladesh Government Press
Bangladesh Economic Zones Authority (BEZA)
EOIs of Roads and Highways Department (RHD)
Bangladesh Telecommunication Regulatory Commission (BRTC)
Tenders Invited From Directorate General of Health Services (DGHS)
Finance Division, Ministry Of Finance
Bangladesh Meteorological Department
International tenders of Directorate General of Food (DG, Food)
Dhaka Mass Transit Company Limited (DMTCL)
Dhaka North City Corporation (DNCC)
Dhaka South City Corporation (DSCC)
Bangladesh Public Service Commission (BPSC)
Bangladesh Inland Water Transport Authority (BIWTA)
Bangladesh Inland Water Transport Corporation (BIWTC)
Bangladesh Road Transport Corporation (BRTC)
Trading Corporation of Bangladesh (TCB)
Security Exchange Commission Bangladesh Election Commission Bangladesh Power Development Board

Use following the links to find out government tenders using Google search:
Furniture supply tender notices
Computer supply tender notices
Equipment supply tender notices
Road construction tender notices
Bridge construction tender notices
Building construction tender notices
Outsourcing tender notices
Stationery supply tender notices
Bangladesh government tender notices
Current tender notices of government organizations
Live tenders
Government tenders
Live government tenders
Government tender notices