The agency has named 247 people as accused in the case, according to NIA sources.
Some cars were damaged in the explosion that occurred about 150 metres from the embassy on Dr APJ Abdul Kalam Road in the high-security Lutyens' bungalow zone.
The National Investigation Agency (NIA) made the submission while opposing the bail plea of Rao, arrested in the Elgar-Parishad-Maoist links case.
Naming three alleged arms suppliers Ashish Kumar, Javed and Arshad Ali as accused in the case, the NIA claimed that the killing was a conspiracy by Khalistan Liberation Front (KLF).
The National Investigation Agency has chargesheeted Bengaluru ophthalmologist Dr Abdur Rahman for sedition, criminal conspiracy and waging war against the government.
The charge-sheet was filed before a special NIA court here under sections of the IPC and the Unlawful Activities (Prevention) Act against 28-year-old Abdur Rahman of Bengaluru.
The NIA conducted searches at six places in Jammu and Kashmir and Punjab in connection with its probe into a narco-terror case.
Political vendetta against Gupkar Alliance: J&K parties lash out at Centre over seizure of Farooq's assets
The ED on Saturday attached residential and commercial properties worth nearly Rs 12 crore of former J&K CM Farooq Abdullah in an ongoing case of alleged money laundering.
The charge sheet was filed on Friday before a special National Investigation Agency (NIA) court in Ahmedabad.
The submission was made by Additional Solicitor General (ASG) Anil Singh, who appeared for the NIA, before a bench of Justices SS Shinde and MS Karnik.
The 83-year-old Jesuit priest and tribal rights activist was arrested on October 8 and is currently lodged in Taloja prison in Navi Mumbai.
Kerala CM Pinarayi Vijayan said no probe agency can function as per its whims and fancies and was bound by established norms.
Mainder Pal was arrested following a written complaint lodged by Pritam Lal of Amb Gharota, a police spokesperson said.
The chargesheet was filed in the NIA Special Court in Mohali under sections 120B of the IPC sections 25, 27, 27A and 29 of Narcotic Drugs and Psychotropic Substances Act, 1985.
The chargesheet against the accused, all residents of Handwara town of north Kashmir's Kupwara district, was filed in the NIA special court.