It was both Vanraj and Kavya's decision to have Ema and both are guilty but Anupamaa mostly blamed Kavya. Because she decided to stay as an unpaid maid even after divorce and provide free service Vanraj and his parents.
The hidden impact of her actions was seen through causing turmoil in Kavya's married life and ensuring that Vanraj is never happy with her. But her quest for revenge was not over even after both of them ran away.
She took Kavya's daughter Mahi, a needy child who wanted love and affection, under her tutelage and turned her into a vile, malevolent, scheming pos while also being an unpaid maid of shameless shahs.....
What else can be interpreted from her actions?
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