The most basic difference is that rice flour ladoo is made from rice flour and besan ladoo is made with besan.
Rice flour ladoos are light and crumbly, whereas besan ladoos are heavy and smooth.
Besan ladoo has a rich, nutty, and aromatic flavor whereas rice flour ladoo has a mild taste with subtle sweetness.
Rice flour ladoo needs less ghee and besan ladoo requires more ghee for a soft texture.
Rice flour ladoos are flavored with cardamom, coconut, and lighter spices. Besan ladoos are heavy and include nuts to make a wholesome flavor.