Regarding your first question property would belong to abhimanyu which might b shared by kavya & choti ma . I won't b surprised if rishbh is being kicked out of his own home 😆.
Second question she realized all this was a trap when she was abhimanyu & priyam arguing plus the way abhimanyu behaved with her & later her being sent to asylum & priyam handing over that portrait lastly both abhimanyu priyam shaking hands all these events made her realized the trap in which she has fallen