New Delhi, April 28 -- The Congress on Monday alleged that the Aam Aadmi Party (AAP), whose seven Rajya Sabha lawmakers recently defected to the Bharatiya Janata Party (BJP), is a party of billionaires because it gave away the berths in the Upper House on the basis of money, ignoring loyalists. Claiming that the mask of the AAP and its national convenor, Arvind Kejriwal, has come off, the Congress termed the party the "B-team of the BJP". Congress treasurer Ajay Maken, a bitter critic of AAP, also slammed the BJP for taking in seven AAP MPs from Punjab, a state where it has 6% votes. "I have always said that the AAP is the B-team of the BJP. They should change their name from the Aam Aadmi Party to 'Arabpati Aadmiyon ki party (party of bill...