Beat the eggs. Combine the eggs, milk, vanilla essence and oil.
Mash the bananas with a fork. Add the mash bananas to the egg, oil, and milk mixture.
Sift the dry ingredients together. Pour the liquid mixture into the flour and mix well. Mix in the raisins.
Pour into greased loaf pan. Bake at 350°F for about 1 hour or until it is brown.