Bangladesh Nationalist Party (BNP) chairperson Khaleda Zia has joined the rally at the party’s headquarters in the capitals Nayapaltan area.She arrived at the headquarters around 2:45pm Tuesday.This is her first public rally in front of the party’s Nayapaltan central office in four years.Leaders and activists of the BNP began gathering in front of the party`s Nayapaltan headquarters in Dhaka since morning to mark the second anniversary of the January 5, 2014 national elections which the party dubs Democracy Killing Day.