Soak jaggery in warm water (till immersing level, I used 1/4 cup) , crush it well.
Then heat it up until it is slightly thick, sticky consistency. Strain and keep aside.
Take grated coconut in a mixer, add little water and extract coconut milk.
Take 1st and 2md coconut milk and set aside.
Rinse rice and soak it in water for 30mins.
Take first coconut milk in pan and heat it.
Drain water from rice and add it to coconut milk.
Let the rice cook in low flame till it becomes soft. Add required salt.
Now add jeera to first coconut milk and keep it ready.
Once rice is almost cooked, add second coconut milk and cook further. First it will be slightly runny more like a porridge.
Cook in low flame till it starts to leave the sides of the pan. This is the correct stage, switch off.
Let it cool for at least 15mins.
Meanwhile grease a pan with ghee. Spoon the rice mixture and spread it on the pan.
Grease the spoon with ghee and level it with the back of it.
Let it cool for few mins then cut into squares and serve with jaggery syrup.
Serve Vishu Katta hot / warm!