Overview
- Rajkumar, 50, was fatally stabbed after a quarrel with neighbours in Sanjay Park on Saturday night, April 4.
- Police said the attackers used lathis, iron rods, and knives, and two others were injured, including his son Sumit Gupta, 25.
- Officers registered a homicide case at Subhash Place police station, and crime and forensic teams collected evidence at the scene.
- Investigators detained three men identified as Sumit alias Summa, Ashish alias Ashu, and Chetan, all in their mid to late 20s.
- Police said Sumit is also being treated for injuries, and the inquiry is working to establish motive and the exact sequence of events.