New Delhi, Dec 23 (ANI): As Rajya Sabha got adjourned sine die, Vice-President and Chairman of the Upper House, M Venkaiah Naidu on December 22 expressed concern and unhappiness over the functioning of the Parliament during the Winter Session. Referring to the ruckus created by Opposition leaders during the Winter Session of Parliament, Vice-President said, “Some of our elected representatives are making a mockery of the institution. This has to be corrected at the earliest.”