Published : 28 Feb 2015, 05:09 PM
They demanded immediate arrest and trial of the killers at a press conference at the university’s Modhur Canteen on Saturday.
The organisations also announced plans for serial protest .
Chhatra Union President Hasan Tarek, also the Jote convener, told reporters that the killing of Avijit was an attack on free thinking. “It indicates none of us are safe.”

Hasan Tarek said DU teachers, students and staff will don black badges, create a human-chain and take out a procession in protest on Sunday.
The Jote also took out a procession on Saturday to push for their demands.
RU teachers condemn murder
A pro-1971 organisation of the Rajshahi University teachers has condemned Avijit Roy’s murder.
Pragatishil Shikkhok Samaj in a statement on Saturday demanded immediate arrest of the killers and their swift trial.
The statement, signed by the organisation’s Convener Prof Jahidul Islam, also urged everyone to stay united to resist radicals.
“Those who attacked Avijit Roy are against free thinking and progress in this country... They are the communal forces that stand against the ideals of the Liberation War.”
The teachers alleged that the writer’s murder resembles the killings of RU teachers Mohammad Yunus and Shafiul Islam.