Complex sentence: With horror, Bani finds out that the killer of her children is Meera, who had Bani's kids kidnapped and murdered when she was blinded with love for Jai and went mad with jealousy when Jai always and only loved Bani.
Split into simpler sentences: With horror, Bani finds out that the killer of her children is Meera, who had them kidnapped and murdered. Meera was blinded with love for Jai and went mad with jealousy when she learnt that always and only loved Bani.