Take 4 ounces of evaporated milk and gelatin and let it bloom for few minutes atleast 5 to 6 minutes. In a saucepan, take evaporated milk and heavy cream bring it to boil.
Scrap out the vanilla add it to the boiling milk, add sugar, salt and orange zest. mix well.
Once the milk mixture is simmered enough , add it to the gelatin mixture and mix it well. Add the orange juice to this and mix. Remove it into individual bowls. Refrigerate it for more than 3 hours preferably overnight.
Mix powdered cardamom with honey. Unmold the Panna Cotta on a plate , drizzle it with cardamom infused honey. Garnish it with mint leaves.
For unmolding the Panna Cotta , I keep it in warm water for 2 minutes and run down a knife at the sides.