According to the builder's complaint, Kaskar had threatened and extorted Rs 3 crore from him over a deal of a 38-acre land in Gorai area.
During investigation, the alleged role of Dawood and Anees also came to light following which both were shown as wanted accused in connection with the offence, the police had said.
"The charge sheet, which runs into thousands of pages, lists the evidences against the accused," the police official said, adding, "The vital documents attached to the charge sheet include papers related to the land deal along with the payment proof. It also includes statement of the witnesses."
The accused have been booked under IPC sections 384 (extortion), 386 (extortion by putting a person in fear of death or grievous hurt) and 387 (putting a person in fear of death or grievous hurt, in order to commit extortion) at the Thane Nagar police station.
Iqbal Kaskar and two of his aides were arrested in September last year by the Thane police AEC in a separate case of extortion of Rs 30 lakh and four flats from a builder.