NEW DELHI: A day after its leader Sukhendu Sekhar Roy was asked to withdraw from Rajya Sabha Trinamool Congress today walked out of the House questioning why no action was taken against 33 Congress members who were named for "gross disorderly conduct" for protesting in Well.Raising the issue when the House met for the day, Derek O'Brien (TMC) said rule 255 was invoked by the Chairman Hamid Ansari yesterday, which his colleague Roy complied with."We have no issue with that," he said, adding Roy had at no point left his seat and was raising an issue from there.He then went on to read the Rajya Bulletin of yesterday which named 33 Congress members for "gross disorderly conduct in violation of rules and etiquette of Rajya Sabha."The members "entered the 'Well' of the House, shouted slogans and presistently and willfully obstructed the proceedings of the House", forcing the Chair to repeatedly adjourn the House, the Bulletin said.He said one member was making a point from his seat, whereas 33 members were in Well.The TMC leader sought a ruling from the Chair if action against one member and sparing 33 others "violates Article 14 of the Constitution." Article 14 provides for right to equality before law.Deputy Chairman P J Kurien said the ruling was given by the Chairman and he cannot say anything on it. "Ruling of Chairman cannot be questioned, ruling of the Chair cannot be discussed," he said.Derek O'Brien said "we are saddened... and are walking out of Rajya Sabha."The 33 members named in the Rajya Sabha bulletin are: Madhusudan Mistry E M Sudarsana Natchiappan and Husain Dalwai The Congress members created din in the House demanding a discussion on alleged pandering of resources by Gujarat government company GSPC on its KG basin gas project.