India, April 28 -- Patiala police on Tuesday unearthed a Pakistan-backed terror module and arrested four men following a botched sabotage attempt on the Rajpura-Shambhu railway line on Monday night.

The breakthrough came after a suspected bomber, Jagroop Singh of Panjwar Khurd in Tarn Taran district, was killed when his explosive device detonated prematurely during an attempt to target the freight track near Bathonia village.

Patiala senior superintendent of police (SSP) Varun Sharma and deputy inspector general Kuldeep Chahal confirmed that the module, linked to pro-Khalistani elements, was dismantled within 12 hours of the incident.

The arrested suspects-Pardeep Singh Khalsa, Kulwinder Singh, Satnam Singh, and Gurpreet Singh-are habi...