A seven-judge constitution bench, headed by Chief Justice J S Khehar, said We are of the unanimous view that Justice C S Karnan committed contempt of court, contempt of judiciary and the process.
This is the first time that a sitting high court judge is being sent to jail by the Supreme Court on charges of contempt.
The bench, which also comprised Justices Dipak Misra, J Chelameswar, Ranjan Gogoi, M B Lokur, P C Ghose and Kurian Joseph, said it was satisfied that Justice Karnan be sentenced for six months in jail.
The sentence shall be executed and he be taken into custody forthwith, the bench said.