'Ashoka Chakra' is awarded for
The most conspicuous bravery or self sacrifice on land, air or sea but not in the presence of the enemy
The Ashok Chakra is awarded for valor, courageous action or self-sacrifice away from the battlefield. It is the peace time equivalent of the Param Vir Chakra, and is awarded for the "most conspicuous bravery or some daring or pre-eminent valour or self-sacrifice" other than in the face of the enemy.