I’ve already posted a recipe for mavinkayi chitranna(raw mango) which can be found here. Mavinkayi chitranna and lemon rice are very similar, one uses raw mango for sourness and other uses lemon.
I came across another unique way of making mavinkayi chitranna(link given below). A special blend of spices is roasted and ground and added along with mavinkayi. It tasted more like a mix between puliyogare and chitranna. Very tasty. Do try!