Justice Prashant Kumar Mishra and senior advocate Kalpathy Venkataraman Viswanathan on Friday took oath as Supreme Court judges on Friday, the last working day of the court before summer recess, as the collegium led by CJI D Y Chandrachud and the Union government completed the process of appointment in jet speed.Justice Prashant Kumar Mishra and senior advocate Kalpathy Venkataraman Viswanathan on Friday took oath as Supreme Court judges on Friday, the last working day of the court before summer recess, as the collegium led by CJI D Y Chandrachud and the Union government completed the process of appointment in jet speed.