A total of 77 officials including jail super and prison guards were suspended in connection with the attack on Narsingdi District Jail leading to escape of 836 inmates from jail on July 19.
Among them, 67 are prison guards and 10 others of other posts, Shamim Iqbal, superintendent of Narsingdi District Jail said on Wednesday.
Besides, a departmental case was filed against each of them due to negligence of duty, he added.
Earlier on July 23, Narsingdi district jailer Abul Kalam Azad was also suspended over the jail attack issue.
On July 19, a mob carried out an attack on the district jail, vandalized valuables, and looted 85 firearms and over 8, 015 rounds of bullets.
Taking advantage of the turmoil, 826 inmates including nine militants escaped.
On July 21, the district administration carried out publicity by loudspeakers asking the escaped inmates to surrender before the court.
Responding to the call 575 inmates surrendered in the last 11 days till July 30.
On the other hand, 49 out of 85 looted arms and 1,091 rounds of looted bullets were recovered.