The Delhi High Court on Wednesday adjourned the bail plea hearing of JNU student leader Kanhaiya Kumar, arrested on sedition charges, till February 29 after Delhi Police said it will seek his fresh remand to "unearth any larger conspiracy".
The FIR against Varinder Singh was registered in Rohtak town.
A case against Khalid and Bhattacharya was registered at Vasant Kunj police station.
According to the victim's sister, Kuldeep soon took out a gun and shot at Prinki, police said.
With his party in a buoyant mood in Punjab, AAP leader and Delhi Chief Minister Arvind Kejriwal will begin a five-day visit to the state from Thursday.
In a sign of people's anger over the mindless violence that rocked the state, Haryana Chief Minister Manohar Lal Khattar faced angry traders and residents in Rohtak town and was forced to retreat and leave for Delhi.