The Mumbai Police Crime Branch on Saturday arrested 6 staffers of Byculla prison in connection with the death of inmate Manju Shette. The officials were earlier suspended.
They were produced before a Mumbai court which sent them to police custody till July 7, the official added.
Shette (45) died at the Government-run JJ Hospital on June 23 after being allegedly beaten up by jail staff after she failed to account for two eggs and five bread loaves, meant for distribution to inmates, said the official.
Around 200 prisoners had on June 24 protested over Shette's death and demanded media access inside the jail. During the protest, some of the enraged inmates went to the prison's roof, while others made a bonfire of newspapers and documents inside the premises to express their anger.
Indrani Mukerjea, the prime accused in the Sheena Bora murder case, was among the 200 inmates booked by Nagpada police for rioting and other offences.
With regard to Shette's death, a complaint was filed and a case of murder was registered against jail staff, including Manisha Pokharkar, Wasima Shaikh, Shital Shegokar, Surekha Gulve and Aarti Shingne and Naikde, he added.