Bollywood is nervous about the extradition of crime boss Abu Salem from Portugal to India to face charges in the Mumbai blast cases of 1993.Several directors, thesps and film financers are likely to be questioned about links to Salem. Police officials are probing allegations that some used Salem to persuade debtors to pay up. Some thesps claimed they had been threatened with violence to force them to act in movies. Salem has been accused of threatening producer Rakesh Roshan for the rights to his 2000 pic “Kaho na pyaar hai.” He also has been fingered in the 1997 murder of music producer Gulshan Kumar. In 2002 authorities released audio tapes allegedly linking suspects in the Mumbai bomb blasts with industryites including thesp Sanjay Dutta and producer Bharat Shah. Salem fled India soon after the blasts in which 300 died.