The wound over his left eye was made by Mowgli slashing it with a dagger in retaliation for harming one of his new human friends/future family members and in the last showdown, Mowgli defeats and slays Shere Khan by stabbing him in one of his sides.
The wound over his left eye was made by Mowgli slashing it with a dagger in retaliation for harming one of his new human friends/future family members, leaving the tiger disfigured. And in the last showdown, Mowgli defeats and slays Shere Khan by stabbing him in one of his sides.