Bangalore, 31/3 (AO Bureau)In ‘Operation Kamal’, the Chief Minister of Karnataka BS Yediyurappa is in a tough spot. The investigation of BS Yediyurappa’s role was approved by the High Court on Wednesday. The BJP leader has been accused that he hatched a conspiracy to topple the Congress-JDS coalition government in the state. In fact, an audio came out in which BS Yediyurappa allegedly listened to an MLA’s son trying to persuade him to resign his father and then change the party.