I am not sure... but in OG ARSs FIL is the one who helps Mannat track down on Sonia Khanna and the moment he gets to know she is his own bahu... the poor thing goes into shock... he dies by a heart attack after confronting ARS but ARS and Ronnie don't take him to the hospital on time and bury him on the farmhouse.
His death is ruled as accident as Mannats bio father removes the dead body and frames someone else. Kuch kuch yaad nahi hai... but then Dadi starts doubting ARS.
BTW OG Dadu was a good guy.. not like taklu.
Shazia can fill in the rest.
Par yaha taklu is useless...usse kuch nahi hopayega
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