Narayanganj Senior Judicial Magistrate Aftabuzzaman passed the order when police produced them before the court on completion of their two-day remand, said court police inspector Asaduzzaman.
Those who secured bail are- Fatullah zonal office manager engineer Mohammad Sirajul Islam, deputy manager Mahmudur Rahman Rabbi, assistant engineer SM Hasan Shahriar, assistant engineer Manik Mia, senior supervisor Md Manibur Rahman, senior development officer Md Aiyub Ali, helper Md Hanif Mia and Md Ismail Prothan.
On September 19, the court placed them on a two-day remand over the mosque blast case.
Also read: Another N’ganj mosque blast victim dies; death toll now 33
Criminal Investigation Department (CID) arrested the suspended officials.
Around 40 people were injured in the blasts at Baitul Salam Jame Mosque in Fatullah after Isha prayer on September 4.
Of them, 37 were taken to the Dhaka hospital in critical condition and 33 of them have died so far.
Also read: N'ganj mosque blasts: 8 ex-Titas officials put on remand