Cook rava with 2 glasses of water till it becomes soft & loose. Let it cool.
Add 1/4 glass of lukewarm water to yeast & 1/2 teaspoon sugar. Allow it to rise.
Ground the coconut with enough water & keep aside.
Take 2 cups rice flour in a vessel, add rava & mix well. Add yeast & mix well. Add grounded coconut & mix well. Make sure that the batter is not too loose . It should have a medium consistency. Keep it for 3 hours.
After 3 hours add 1/2 cup sugar (more sugar can be added if required) & salt & stir well.
Apply a little ghee/oil in a cake tin & pour the batter into it.Put some raisins on the the top. Steam it for 20 - 25 minutes.