Police also named parents of Piyush Shyam Dasani and his two brothers in the charge sheet and have booked them under Section 202 (Intentional omission to give information of offence by person bound to inform) of IPC.
Those booked for murder are Piyush, his girlfriend, driver Awadesh and his three accomplices, said Prabhakar Chaudhry, Superintendent of Police.
The charge sheet was filed today in the court of Chief Metropolitan Magistrate.
Jyoti's body, bearing multiple stab wounds, was found inside Piyush's car on July 28 in Panki area of the district.
The driver, his accomplices and the woman with whom Piyush was having an affair were arrested.