Ansh was her beloved nephew, Pari was her sisterly niece. Ishani is technically her niece. She never gave 2 cents about Shahs who may or may not be related to her. Onupamaa is her naam ki maa. But yeh Mahi kaun hai. She is not her nephew or a sister or a naam ki rishtedar. She is not even related to Shameless Shahs. She is daughter of woman who broke Onupamaa ka ghar with her ex husband, adopted by a man who ditched the Shahs. Mahi took her place in life of Onupamaa. Instead Rahi should sabotage this psychotic woman as much as possible. Raahi should flirt with Prem in front of this girl and then when she drowns, she shouldn't care.
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