There are three types of mawlid gatherings and the ruling for each is different.
The first type of gathering is that which does not contain any of the prevalent and customary restrictions (quyud). Neither mubah (permissible) restrictions nor makruh (prohibitively disliked) ones, i.e., it is free from all restrictions. For instance, a few people gathered by coincidence, no one had invited them with any extraordinary effort; rather they were gathered for some other permissible event. In this gathering, either by...