According to police, the deceased was identified as Lilabihari Thakur, who underwent treatment for tuberculosis (TB), was repeatedly hit with the iron stand this morning in the general ward of the Bombay Hospital, police said adding that Thakur was to be discharged from the hospital today.
The accused Shahabuddin Talukdar (42), suffering from AIDS and kidney failure and undergoing treatment in the ward, was arrested in this connection, police said.
"The motive behind the attack is not yet clear as the accused is presently undergoing treatment in J J hospital," senior inspector at Azad Maidan police station Narendra Singh said.
Parmar and Arte sustained grievous wounds, while Thakur succumbed to his injuries, police said adding that further probe was on.