The members of Rapid Action Battalion arrested a student of Islamic University from Bokchor Hushtola area in Jashore for spreading rumor on social media Facebook.
RAB Jashore camp company commander Lt Col Naziur Rahman announced the matter in a press conference on Saturday.
The arrested Shovon Das, 27, son of Shyamol Kumar Das, a resident of village Jokarchor in Norail district, was a masters' final student of statistics department of the university.
He was shown arrested in a case filed under Digital Security Act with Jashore police station, the RAB official said.
Shovon shared several religious provocative posts and links from his Facebook account at different times from October 15 to October 22.
The post contained various rumors including rape of Hindu women and killing of priests.
Shovon was produced before court the court, Naziur said.
According to his family members, RAB called Shovon to their Jashore office for discussing regarding the matter of sharing the posts. Later, they shown him arrested.