The Crime Branch of Delhi Police filed the charge sheet before Chief Metropolitan Magistrate Raj Kumar Tripathi and named Hardeep, who was also killed in the shoot out, as an accused in the case, saying their probe has revealed that Ponty was killed due to the shot fired at him by his brother.
"From the investigations conducted, it has emerged that Hardeep Singh Chadha caused grievous injuries to Narender Ahlawat (Ponty's manager) and death of Gurdeep Singh alias Ponty Chadha," the police said in its charge sheet.
The police had earlier filed a charge sheet in a separate case lodged after the shoot out against Ponty, Namdhari and Tyagi and they were booked for the offences of murder and under various other provisions of IPC.
The police had also chargesheeted 19 others for offences including attempt to murder, causing grievous harm, dacoity, rioting with deadly weapons, house trespass, kidnapping and illegally confinement and destruction of evidence.
Ponty and Hardeep, who had an alleged property dispute, were killed in the shootout at a Chhattarpur farmhouse on November 17, last year.