Pune, July 5 (ANI): Actor couple Aditya Pancholi and Zarina Wahab, whose son Suraj is facing charges of abetting the suicide of actress Jiah Khan, has filed a Rs 100 crore defamation suit in the Bombay High Court against Rabbiya Khan, the mother of the deceased. Actress Jiah Khan was found dead under conspicuous circumstances at her Juhu apartment on June 3, 2013.