Laddu or Laddoo is a ball-shaped sweet popular in Indian Subcontinent as well as regions with immigrants from the Subcontinent such as Hijaz. In India, especially in north India Thaggu ke Laddu(Kanpur) and motichoor ka laddu of Neetram(Allahabad) is famous and exported to different area across globe. Laddu is made of flour, minced dough and sugar with other ingredients that vary by recipe. It is often served at festive or religious occasions. -Source: Wikipedia
Note
* If you are using Besan, fry it in melted Ghee till aroma comes from that, add milk
* Then mix it with powdered sugar and form small sized balls(Laddus)