A city court today framed charges against underworld don Abu Salem for allegedly making extortion calls to three Delhi-based businessmen in 1998.<br/>Finding prima-facie evidence against Salem, Additional Chief Metropolitan Magistrate Kiran Bansal ordered framing of charges under section 384 (extortion) and 120B (criminal conspiracy).<br/>Salem was extradited from Portugal in 2005 to face trial in various cases including the 1993 Mumbai bomb blasts.<br/>