New Delhi, Feb 26 (ANI): Former Delhi CM Arvind Kejriwal and AAP chief on Wednesday said that his party has been saying that there is an opinion poll scam and a sting operation conducted by a news channel proved it right. The sting operation claimed that some of the agencies which conduct opinion polls before elections are willing to twist their findings for money. Kejriwal also said that every week there is an opinion poll and asked that how such a huge survey is done within a week. He further said that a special investigative team should verify the tapes and if they are genuine then strict action needs to be taken. He also asked how much money has BJP and its Prime Ministerial candidate Narendra Modi given to various opinion poll agencies.