The bar body acted with Attorney General R Venkataramani's approval after comments followed the Chief Justice of India declining a meeting with Opposition leaders.
A special two-judge Bench convenes to hear allegations that authorities defied judicial orders against blanket transit bans and used excessive force during protests.
A senior BJP leader has filed a contempt petition over social media posts criticising a High Court judge, just as the state government promised to act on the activist's school audit.