Dahi Rice/Curd Rice/Thayir sadam

Thayir Sadam, a famous delicacy of Tamil Nadu. Thayir means yogurt and Sadam means rice in tamil and is very popular rice preparation  of Tamil Nadu. South Indian meal is supposed to be incomplete  without curd rice , not daily though but if you are having a guest or having a traditional gathering then it is kind of necessary.It can be prepared with lot of variations, I am sharing the recipe my mom used to make and I have grown with.