New Delhi, Dec 18 (ANI): Finance Minister Arun Jaitley on Thursday said that the Rajya Sabha is not being able to function due to the arrogance of the opposition parties. Earlier on Thursday, the opposition had stalled proceedings in the Rajya Sabha over a repeated demand that Prime Minister Modi be called to the Upper House to make a statement on the conversion row that has hogged national headlines for the past few days. The Prime Minister, was, however, present in the Lok Sabha.