Balasore, Sep 18: Odisha Crime Branch has picked up four Bangladesh citizens from Balasore slum in connection with DRDO espionage case on Saturday.
They had allegedly received money from Pakistan through their savings accounts.
Earlier, four contractual staff were arrested on Tuesday for leaking secret information to the suspected Pakistani agents.
According to sources, one of the accused had a link with a Pakistani woman.
The woman reportedly lured the accused to leak secret information of DRDO to Pakistani agents.