What is atta - if you mean wheat flour - the sweet is no good. If besan(chickpea atta) - it is besan laddu, not atta laddu. do not just type in some random recipe, just for sake of posting. If you really mean to type in the recipe , be clear.
I have a bendtter recipe which makes lovely ladoo and has a loooong shelf life outside without refrigeration.
Take the atta(wheat flour like chapatti) as much as you want to try for.(This recipe is not strict on quantities of ingredients, the more