SIRAJDIKHAN(Munshiganj): Christian Chhatra Jubo Oikya Parishad and Bangladesh Puja Udjapon Parishad, Sirajdikhan Upazila Unit formed a human chain on Saturday condemning killing of Shetu Mondal, a student of eight grade of Daulatpur Kobi Nazrul High School in Goyal Khali Village recently.