India, Nov. 15 -- The accused, Janisur Alam, also known as Nisar Alam, studies MBBS at Al-Falah University in Haryana and hails from a family originally from Konal village near Dalkhola.

He is currently a resident of Ludhiana.

According to police sources, NIA teams picked up Alam from the Surjapur Bazar area on Friday morning while he was returning from a family wedding at his ancestral home.

Investigators had reportedly been monitoring his movements using mobile-tower location data.

How NIA made the arrest

A senior police officer said the medical student had travelled to Uttar Dinajpur with his mother and sister to attend a relative's wedding.

As he was heading back, NIA officers intercepted him based on prior surveillance.

During...