She was devastated by the death of her son and, in her rage, cursed Lord Krishna that he will die exactly after thirty-six years. ... Krishna went to live in a forest where he was shot by an arrow by a hunter- Jara who misunderstood Krishna's moving foot with that of a deer.
Who is Jara who killed Krishna?
The hunter Jara, mistook Krishna's partly visible left foot for that of a deer, and shot an arrow, wounding him mortally. After Jara realised the mistake, while still bleeding, Krishna told Jara, "O Jara, you were Vali in your previous birth, killed by myself as Rama in Treta Yuga.
How did Balram died?
In the Bhagavata Purana, it is described that after Balarama took part in the battle causing the destruction of the remainder of the Yadu dynasty and witnessing the disappearance of Krishna, he sat down in a meditative state and departed from this world.