The Rajya Sabha member Amar Singh was on Tuesday arrested in cash-for-vote scam. He made a surprise appearance in a Delhi court, hearing the case. Earlier in the day, Singh was denied bail.A police spokesman said that he was taken into custody after the special Judge sent him to Tihar jail for 14 days. He has been chargesheeted by Delhi Police after Supreme Court expressed displeasure over the probe in the cash for vote scam.The court also rejected bail to former BJP MPs Faggan Singh Kulaste and Mahabir Singh Bhagora, who too appeared before the court responding to its summons for their alleged role in the scam. Armed with his medical reports, Singh made a fervent plea to the court to grant him bail saying that he has only recently undergone a kidney transplant in Singapore and required intensive round the clock medicare.However the judge, after going through the medical reports submitted by Singh, said the documents do not show his medical history after September 2010.