Thane Sep 18 PTI Tarique Parveen an alleged aide of fugitive gangster Dawood Ibrahim was arrested by Thane police on Friday in an extortion case where IPS officer Param Bir Singh is one of the accused Tarique Abdul Karim Merchanta alias Tarique Parveen 55 who was already in jail in another case was wanted in the case registered with the Thane Nagar police station here an official said The present FIR names over 20 persons including Singh who had been police commissioner of Mumbai and Thane and some other police officers It was filed on the complaint of builder Ketan Tanna who alleged that Singh and other officers extorted money from him by threatening to frame him up in false cases when Singh was Thane police commissioner Parveen accused in another extortion case was lodged in the Taloja jail A court in Mumbai on Friday ordered that he be handed over to Thane police Thane police produced him before a local court which remanded him in police custody till September 22 Singh has not been arrested in the case so far He was transferred from the post of Mumbai police commissioner in March in the aftermath of the Antilia bomb scare incident He later accused then Maharashtra home minister Anil Deshmukh of corruption which led to the ministers eventual resignation PTI COR KRK KRK