It appears that Rahi and Anupama will eventually get together, which will make everyone extremely happy. Mahi will be seen feeling conflicted because she fears Rahi would replace her in Anupama's life.
Rahi doesn't deserve to stay with family because she has betrayed Anupama's trust and love, thus it appears that Mahi would demand that she leave Krishna Kunj. Rahi wants to hear this directly from Anupama, therefore she won't listen to Mahi.
Given that her mother is in the hospital, battling for her life, it appears like Anupama will accept her worker's kid, Radha, into her home. The family will have one more stomach to feed, which will infuriate Toshu.