The raids, codenamed "Operation Kuberan", was ordered by Home Minister Ramesh Chennithala in the wake of public outrage at the suicide of five members of a family, allegedly after running into deep debt on account of high-interest loans obtained from a local money lending racket, known as "blade companies" in local parlance.
Shahadat-e-Al-Hikma claimed it has 10,000 commandos and 25,000 fighters working to bring an Islamic revolution.
He will appear as a prosecution witness in the alleged nexus between Bollywood and the underworld.
It is not immediately clear who the five are, but it could include Dawood's brother Noora.
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.
The Bharatiya Janata Party on Saturday accused Ahmed Patel of having "deep relations" with a Gujarat hospital where an alleged Islamic State operative worked before his arrest, even as the Congress defended its senior leader, dubbing the demand for his resignation from the Rajya Sabha as "outrageous".
Lamboo Shakil, the 42-year-old associate of Dawood, had come to the metropolis to carry out the gang's activities.
Maharashtra Chief Minister Devendra Fadnavis on Monday said the decision to hand over all the cases against underworld don Chhota Rajan to the Central Bureau of Investigation was taken on the advice of Mumbai police, and dismissed suggestion that it was because of his allegation about a nexus between some police officers and rival gangster Dawood Ibrahim.
A CBI officer is leaving for Lisbon to file India's request with the Portuguese authorities.
Underworld don Chhota Rajan was on Saturday sent to Central Bureau of Investigation custody by a court, a day after he was brought from Indonesian city of Bali.
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
