Delhi Blast Chargesheet Says Accused Used ChatGPT, YouTube For Explosive Knowledge

The National Investigation Agency (NIA) has uncovered what it describes as a highly sophisticated “terror engineering” network in its ongoing probe into the Red Fort area car blast case, according to findings cited in a 7,500-page chargesheet filed on May 14. The investigation relates to the high-intensity vehicle-borne improvised explosive device (VB-IED) explosion that occurred on November 10 last year, which officials say killed 11 people and injured several others. The case has revealed what authorities describe as an organised conspiracy involving radicalised individuals allegedly linked to an offshoot of the global terror group Al-Qaida.

According to the chargesheet, one of the accused, identified as Jasir Bilal Wani, played a key technical role in the alleged module linked to Ansar Ghazwat-ul-Hind (AGuH), an affiliate of Al-Qaida in the Indian Subcontinent (AQIS). Officials claim Wani functioned as the group’s “in-house engineer,” assisting in the design and testing of improvised explosive devices (IEDs). Investigators further allege that he stayed at Al Falah University in Faridabad on multiple occasions during 2024–25, where he reportedly provided technical assistance to other accused individuals involved in the conspiracy.

The probe also states that Wani was introduced to Dr Umer un Nabi, identified as the alleged driver of the explosive-laden vehicle, through another accused, Dr Adeel Ahmed Rather. Officials claim that Adeel supplied materials used in IED preparation, including potassium nitrate-based fertilisers and other chemical components. Investigators further allege that Dr Umer conducted research on improvised rocket-style explosives and coordinated with others in the group to develop weaponised devices. Authorities have described the network as a “white-collar module,” involving medical professionals who were allegedly radicalised and operating covertly.

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A key aspect of the investigation involves the alleged use of digital platforms, including YouTube and ChatGPT, which the accused reportedly used to search for technical information related to explosive construction and component ratios. The chargesheet claims that this reflects a concerning misuse of widely accessible online tools for what officials have termed “terror engineering.” Investigators also allege that the group tested improvised rocket IEDs and cylinder-based explosive devices in forested areas of Jammu and Kashmir’s Anantnag district, with remnants later recovered during field operations.

The NIA further claims that the accused conducted experiments involving drone technology, allegedly attempting to modify unmanned aerial vehicles for potential weaponisation. Officials state that the group explored increasing payload capacity and flight range to carry explosive materials, with plans to target security installations. Additionally, the investigation details procurement of electronic components through online platforms such as Flipkart, which were allegedly used in constructing trigger mechanisms for explosive devices. These components were reportedly assembled and later used in the vehicle-borne blast, according to the agency.

The chargesheet concludes that the explosives used in the Red Fort blast were identified as Triacetone Triperoxide (TATP), a highly unstable compound manufactured through clandestine experimentation. Authorities describe the entire operation as a coordinated and scientifically structured conspiracy involving radical ideology, technical experimentation, and digital assistance. While the investigation is ongoing, officials say the findings point to a complex and evolving pattern of terrorism that blends traditional methods with modern technology, posing new challenges for counter-terrorism agencies in India.

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