The incident occurred yesterday when Sushil was stabbed to death and his two friends injured allegedly by Bittu after they had an argument over some petty issue, Deputy Superintendent of Police Mukesh Jakhad said.
The injured were rushed to general hospital here from where Sushil was referred to PGI Rohtak, Jakhad said, adding he died during treatment.
An FIR has been registered against the accused while no one has been arrested in this regard yet, the DSP said.
The km-long blockade ended after about four hours following assurance of action by Haryana minister and local MLA Kavita Jain.