We have two theories on this.This is definitely their plan
Rish thinks Suraj and Vijya have kidnapped Veer and getting Rani dancing on their tune. As Veer life is at stake, she will do whatever they say.
My theory as their all plans failed ,RanVeer purposely hugging eachother so they can see and maybe they together lay a trap. If Vijya and Suraj kills himand if his bhooth comes definitely Suraj and Vijya will get scared.