On December 1, the National Investigation Agency (NIA) arrested terrorist, Harpreet Singh alias Happy Malaysia, resident of Miadi Kala Village in Ajnala Tehsil (revenue unit) of Amritsar District in Punjab from Indira Gandhi International Airport, New Delhi, when he arrived from Kaula Lumpur, Malaysia, in NIA Case RC -01/22/NIA/DLI, reports NIA. The case pertains to the bomb blast that took place in the Ludhiana Court Building on December 23, 2021. One person died and six persons were injured in the explosion. Investigations revealed that Harpreet Singh, an associate of Lakhbir Singh Rode, Pakistan-based Chief of International Sikh Youth Federation (ISYF), was one of the conspirators of Ludhiana Court Building blast, alongwith Rode. Acting on the directions of Rode, he coordinated the delivery of the custom-made Improvised Explosive Device (IED) which had been sent from Pakistan, to his India based associates, that was used in the Ludhiana Court Complex blast. The arrested accused was also involved and wanted in various cases, including smuggling of explosives, arms and narcotics. Earlier, the NIA had declared a reward of INR one million on Harpreet Singh.