NEW DELHI: Former Chief Justice of India Ranjan Gogoi on Thursday took oath as member of the Rajya Sabha amid sloganeering and jeers and also a walkout by the Opposition parties led by the Congress As Gogoi's name was called by the RS Chairman M Venkaiah Naidu for the oath, MPs in the Opposition benches started chanting slogans like “shame on you” with some even coming into the well or crowding the aisles. Even when Naidu called the booing unfair and unbecoming of Parliament, the MPs — from Congress, CPM, DMK, MDMK, Muslim League, BSP — remained undeterred.As Gogoi started taking the oath, the protesting MPs staged a walkout.All this while Gogoi’s family — comprising his wife, daughter and son-in-law — were in Rajya Sabha viewing gallery, watching the unruly scenes.After Gogoi finished his oath, Naidu said: “We know the Constitutional position. We know the precedents. We know the powers of the President of India. We should not do anything in the House. Whatever views you have you can say outside...you are at liberty”.Law minister Ravi Shankar Prasad added: “This House has a great tradition of many eminent persons coming from diverse fields including former Chief Justices being nominated by those who — I regretfully say — have shouted”.“Hon’ble member Gogoi who has taken oath today will surely contribute his best to Parliament and it was grossly unfair to do like that,” the minister said in reference to the jeers and walkout by Opposition MPs.