In a large bowl mix 150gm angoori powder with 300g flour and water as required. Add ½ kg water and mix to form a smooth thin batter. Pour the prepared batter in 3kg milk and boil stirring continuously. When the mixture begins to boil turn the flame off. Allow the mixture to cool then add Tartary and mix gently .When the milk curdles, turn the stove on and a low to cook stirring continuously. When the water dries add all the sugar. When the mixture begins to dry turn the flame off .Add the nutmeg, mace and cardamom powder. Add 250gwalnuts and liquid glucose and mix well
Spread the halwa on a greased tray .Garnish with the remaining walnuts and serve.