The Crime Branch, Delhi has arrested two accused and unearthed a syndicate of illegal weapon supplies, active in the area of North East Delhi, Delhi Police said on Friday.
Bilal Ansari (22) and Shuheb (21) - both residents of Uttar Pradesh's Bulandshahr - were arrested following a brief gunfight during the intervening night of Monday and Tuesday.
Officials from the Institute of IED Management in Pune, the Forensic Science Laboratory (FSL), and security personnel conducted investigations at the site.
The incident took place in the late night hours of October 21 when the victim (30) was stabbed by the accused identified as Ravinder Singh aka Goldy (36).
An investigation revealed traces of low explosives near the blast site, prompting a thorough inquiry by the Delhi Police, the National Investigation Agency (NIA), and the National Security Guard (NSG).