NEW DELHI, Mar 13: The National Investigation Agency today told a court here that the conspiracy of terror attack at the reception of Delhi High Court last year was hatched with an aim to get commuted the death sentence awarded to December 2001 Parliament attack case convict Afzal Guru. In a 1062-page chargesheet filed before District Judge H S Sharma during an in-camera hearing, NIA said two Pakistani nationals Abu Bilal and Abu Saifullah had allegedly planted the bomb at the entrance of gate number 5 of the High Court which killed 17 persons and injured over 90. The agency filed the chargesheet against six persons, including three arrested accused Wasim Akram Malik, Amir Abbas Dev and a minor and Amir Kamal, Junaid Akram Malik and Shakir Hussain Seikh alias Chota Hafiz, who are members of the banned terror outfit Hizbul Mujahideen and evading arrest