Just before noon on 17 February, when the bench comprising justices J Chelameswar and AM Sapre was hearing ND Jayaprakash’s petition against the Ministry of Home Affairs and Delhi Police, seeking protection to the accused, his counsel and journalists in the Jawaharlal Nehru University (JNU) sedition case at the Metropolitan court, advocate Rajiv Yadav shouted the beginning of the “national song” vande mataram (I praise thee, mother), disturbing the court proceedings.