It is VERY important to always wash your rice very well. You need to get rid of the debris, and any excess starches, and this is the secret to perfectly fluffy and separated grains of rice.
The recommended portion of rice per person is 1/2-1/3 cup (90-60 grams). In our family, we usually go for 1/3 cup per person.
Substitute the ghee (clarified butter), with butter or oil.