Not sure about whether she is a drama queen or how she behaved and performed on DID as i didn't watch that.
But I will say that i feel her talent in terms of choreography is limited and you can see that with the last few performances. That's not to say that she can't dance because some elements of her performances and pieces are quite good such as some lifts and sequences.
But in terms of getting the best out of the Star in this case Karan Wahi and creating impressive dances i think she lacks the experience and ability compared to some of the other choreographers.
However as this is her first time it's natural to be that way, some of the other choreographers like Salman, Savio, Deepak and some of the girls (can't remember their names) have been doing JDJ for a while and are a bit more accustomed to the choreography.
In regards to the assisted help of ghost choreographers, because it's the Indian version we all know that any International format show gets the desi tadka added to it and there are subtle changes made. Ghost choreographers are available to all the contestants and its up to them if they choose to use them or not sometimes usually just for aiding in terms of learning the lifts or as back ups in case something goes wrong during technicals like what happened with Salman and Cornel stepped in overnight. As an amatuer dancer myself it is virtually impossible to learn a dance of that calibre just overnight no matter how talented you are so obviously all contestants have the ghost choreographers on hand.