Indian national Sarabjit Singh, has slipped into a “non-reversible” coma and doctors in a hospital are struggling to save his life.

The deterioration in Sarabjit’s condition could lead to “brain death”, the sources told PTI.

His measurements on the Glasgow Coma Scale, indicates the levels of consciousness and damage to a person’s central nervous system, had dropped to a “critical level”, the sources said.

A source said that Sarabjit’s heart is beating “but without brain function” because of the extensive injuries in head. He sustained when he was assaulted by the prisonres at kot lokpal jail on friday. Without ventilator support he is completely unresponsive and unable to breath.The sources said that doctors were not in a condition to declare him brain death without cosulting his families and Pakistani authorities.

The sourses said that sarabjit could not be removed from the ventilator without his family consent and Pakistani government.

Sarabjit’s wife Sukhpreet Kaur, daughters Poonam and Swapandeep Kaur and sister Dalbir Kaur, returned to India today who went to see Sarabjit in Lahore.Doctors treatin Sarabjit in State run jinnah hospital said that though his condition being deterioted he is not been declared brain dead.

They said that his blood pressure is maintaind by support so his chances of survival is very low.

Sarabjit, 49, sustained several injuries, including a fractured skull, when six prisoners attacked him in jail on Friday afternoon.

He was hit on the head with bricks and has been comatose in hospital since then.

His measurements on the Glasgow Coma Scale, which indicates the levels of consciousness and damage to a person’s central nervous system, had dropped to a “critical level”, the sources said.

A source said Sarabjit’s heart is beating “but without brain function” because of the extensive head injuries he sustained when he was assaulted by prisoners at Kot Lakhpat Jail in Lahore on Friday.

Sarabjit is completely unresponsive and unable to breathe without ventilator support.

The sources said the medical board supervising Sarabjit’s treatment was not in a position to declare him brain dead without consulting his family and Pakistani authorities.

The sources further said Sarabjit could not be removed from the ventilatorut witho his family’s consent and the approval of the Pakistani government.

Sarabjit’s wife Sukhpreet Kaur, daughters Poonam and Swapandeep Kaur and sister Dalbir Kaur, who went to Lahore on Monday to see him, returned to India today.

Yesterday, doctors treating Sarabjit at the state-run Jinnah Hospital said that his condition had further deteriorated though he had not been declared brain dead.

They said his blood pressure was being maintained with support and his chances of survival were very slim.

Sarabjit, 49, sustained several injuries, including a fractured skull, when six prisoners attacked him in jail on Friday afternoon.

He was hit on the head with bricks and has been comatose in hospital since then.