Four trains are currently stranded at both ends of the Bangabandhu Bridge
Bangladesh Army Soldier Md Abdul Bashar and Bangladesh Police Constables Motaher Hosen and Md Samidul Islam were among the 117 peacekeepers of 43 countries awarded the Dag Hammarskjöld Medal.
Bashar died on Oct 13 last year while the policemen on May 15 the same year.
The permanent mission to the UN of Bangladesh said in a statement that the ceremony opened with Secretary General Antonio Guterres laying floral wreath at the Peacekeeping Memorial Site at UN headquarters in New York.
One of the largest contributors to UN peacekeeping missions, Bangladesh lost a total 133 peacekeepers since 1989, when it started sending peacekeepers to conflict-stricken countries, the statement read.