Here are the three Project Implementation Units (PIUs) of the Bangladesh Regional Connectivity Project-1 (BRCP-1):

Ministry of Commerce
BRCP-1 (Project Office)
Level 12 (Westside)
Prabashi Kallyan Bhaban
71-72 Eskaton Garden Road,
Dhaka-1000

National Board of Revenue (NBR)
National Single Window (NSW)
Project Office:
160/A, IDEB Bhaban (10th floor),
Kakrail, Dhaka-1000

Bangladesh Land Port Authority (BLPA)
TCB Building (5th Floor)
BRCP-1 (Project Office: 12th floor)
1 Kawranbazar,
Dhaka-1215