New Delhi: The Supreme Court has held senior advocate Prashant Bhushan guilty of contempt of court for his tweets against Chief Justice of India SA Bobde, four former chief justices and Supreme Court. Bhushan had expressed regret in the tweet he posted against Chief Justice Bobde. However, Bhushan told the court that he was firm in his remarks against the former chief justices. The court will hear arguments on the case on August 20.