Shobha ma can perform the last ritusls for aarti since she is experienced in doing it when the person is alive
Name changing formalities can be done by scindya parents since they were the one's who intiated it
Vidhi can guide aarti how arpita walks talks eats etc. does aarti needs to change her voice too
Paridhi can announce it on her show about the non existence of aarti
Aarti can stand in front of tulsi mada n say i am Aarpita yash scindya