India has hanged a Kashmiri man for an attack on parliament in New Delhi in 2001.
A final plea for clemency was rejected by President Pranab Mukherjee and he was hanged at 8am on Saturday.
The ABC reports Mohammed Afzal Guru always denied plotting the attack, which left 14 people dead.
A curfew was ordered in parts of Kashmir, where people were ordered off the streets.
Five men stormed the parliament complex in New Delhi on 13 December, 2001, armed with grenades, guns and explosives, but security forces killed them before they could enter the main chamber.
Guru said he never got a fair trial and his brother reiterated that on Saturday.
Kashmir is divided between India and Pakistan. Two of their three wars have been fought over the region.