Pineapple Lassi

I had this lassi during our last visit to India. I don't remember the shop's name (its in usman road) and I didn't ask the recipe from that people. I tried by myself many times and finally I got it. Here is the recipe.

Ingredients:-

1. fresh pineapple (peeled and diced) - 1 cup
2. yoghurt - 1/2 cup
3. water - 1/2 cup
4. Sugar- required amount
5. ice cubes - few

Blend all ingredients in a blender until smooth. Pour into chilled glasses and serve immediately.