Former Chief Justice of India (CJI) Ranjan Gogoi on Thursday took oath as a member of Rajya Sabha, days after President Ram Nath Kovind nominated Gogoi to fill the vacancy originating due to retirement of one of the nominated members.However, as the ex-CJI took oath, members of opposition parties walked out from the House shouting “Shame on Ranjan Gogoi”.The Home Ministry had on Monday issued a notification announcing that President Ram Nath Kovind is nominating Gogoi to fill the vacancy originating due to retirement of one of the nominated members.”President is pleased to nominate Shri Ranjan Gogoi to Council of States to fill the vacancy caused due to the retirement of one of the nominated members,” the official government notification read.