Overview
- Investigators identified the detainee as Janisur Alam, also known as Nisar, a Ludhiana resident with family roots in Uttar Dinajpur who studied medicine at Al‑Falah University.
- NIA officers intercepted him in the Surjapur market area after tracking movements through mobile‑tower location data and moved him to Siliguri for questioning.
- Officials said no direct connection to the Red Fort explosion has been established and digital devices and documents seized from him are being examined.
- The probe is exploring overlaps with a Faridabad module where 358 kilograms of ammonium nitrate and other bomb‑making materials were previously recovered.
- Earlier steps in the multi‑state inquiry included a Murshidabad raid on migrant worker Moinul Hasan as relatives of the detainee publicly denied any involvement.