Hours after a low-intensity blast on the main railway line near Shambhu railway station in Punjab’s Patiala district triggered security concerns, the police on Tuesday claimed to have solved the case by arresting four members of a pro-Khalistani terror module and recovering a significant cache of arms and explosives. “The module responsible for the attempted detonation on the railway track has been unearthed with the arrest of four ‘highly radicalised habitual criminals’,” Kuldeep Chahal, Deputy Inspector General, Patiala Range, said, addressing a press conference with Varun Sharma, Senior Superintendent of Police, Patiala. The arrested accused were identified as Pardeep Singh Khalsa of Mansa, Kulwinder Singh alias Bagga of Bappiana village in Mansa, Satnam Singh alias Satta of Panjwarh village in Tarn Taran, and Gurpreet Singh alias Gopi of Goindwal bypass in Tarn Taran. The person who died on the tracks was identified as Jagrup Singh of Panjwarh village in Tarn Taran.…