Suspended Mumbai Police officer Sachin Vaze, arrested for his alleged role in parking the explosives-laden vehicle a few blocks near Mukesh Ambani's residence in February and the death of Thane-based businessman Mansukh Hiran, will remain in National Investigation Agency's custody.

A special court on Saturday extended NIA custody of Sachin Vaze till April 7.

The NIA has been collecting vital details during the interrogation of the suspended Mumbai police officer.

Arguing for the NIA, state Additional Solicitor General Anil Singh revealed that over 50 witnesses had been questioned to date and that a joint bank account that Vaze shared with an undisclosed person had been uncovered.  

The agency also brought to the court's attention that it had recovered two CCTV DVRs, two CPUs, two hard disks, one laptop, one printer, and 2 number plates which Vaze has allegedly confessed to tossing into the Mithi river.

Listing that over 130 TB had been recovered from the CCTVs, NIA has sought six days to confront Vaze with documents, his movement on March 4 and number plates.

The court, meanwhile, allowed the application of Sachin Vaze's brother Sudharam for a 5-minute meeting with him to hand over fresh clothes in the courtroom.