A Mumbai special court held the actor could be examined as a prosecution witness, where the right to cross-examine him would lie only with the defence.
The arrested were identified as Karan Singh Narsingh Rajit, Manoj Muddanna, Amar Bahadur Bam and Sumit Vazhakkulath Ponnappan, a senior official of the Dubai police said.
Lamboo Shakil, the 42-year-old associate of Dawood, had come to the metropolis to carry out the gang's activities.
The Supreme Court on Friday dismissed the appeal of underworld don Abu Salem challenging his conviction and seven-year jail term for possessing fake passport.
A CBI officer is leaving for Lisbon to file India's request with the Portuguese authorities.
The prosecution alleged that actor was threatened by producer Nasim Rizvi alias Raja Saheb and his assistant Abdul Rahim Allahbaksh to act in their film and was also persuaded by them to speak to Pakistan-based gangster Chhota Shakeel.\n\n\n\n\n\n\n\n
Police have charged Kaskar and two others under the Indian Penal Code and the Maharashtra Control for Organised Crime Act for evicting a woman from her house, which obstructed the Sara Shopping Centre in South Mumbai.
The 'encounter specialist' had questioned the jurisdiction of a special court to order a probe into allegations that he is hand in glove with the underworld on the basis of a complaint filed by a Mumbai journalist.
Can you recognise this actor?
India still awaits his extradition to face trial in the 1993 Mumbai serial blasts and other cases.
He was produced amidst tight security before Magistrate S S Shirke.