Singh was arrested for allegedly crossing Wagah border into Pakistan in 1992.
He was subsequently sentenced to death in a serial bomb blasts case in Pakistan’s Punjab province.
On whether Singh died of torture, an official of Kot Lakhpat Jail said, the inmates of the jail near to Kirpal stated that he complained about pain in his chest and died instantly.
Jagir Kaur, Kirpal’s sister, earlier said that no politician came forward to plead his case, and his family couldn’t raise voice for his release due to financial constraints.
Outside Kot Lakhpat Jail rediff
While in prison in April 2013, he was was brutally attacked by his fellow prisoners at Kot Lakhpat Jail. He died six days later at Jinnah Hospital, Lahore.
Funeral of Sarabjit Singh bbc
Both accused – Muhammad Muddasar and Amir Tamba also condemned prisoners – are facing trial of his murder at the jail.
Sarabjit was arrested on charges of conducting four bomb blasts in Faisalabad, Multan and Lahore that killed 14 bystanders in 1990. He was sentenced to death.