The incident happened last night and it is suspected that the attack was a fallout of a rivalry over some property issue but police is looking into other angles.
The victim, Surender, is currently undergoing treatment. His father, Lahore Singh (55) is posted in the PCR unit and lives in Prem Nagar in Lal Kuan area.
"Singh said that around 11.30 PM he along with his son Jitender went to search for Surender in a park close to their house. They heard Surrender crying for help," said a senior police officer.
Police is, however, not sure whether there were four or more persons involved.
Before the family members could rush to help Surender, the accused fled from the spot.