The top two in each weight category are eligible for the Olympic quota place. In the 57kg final, the 19-year-old Anshu will face Mongolia's Khongorzul Boldsaikhan.
The firing took place at the wrestling centre which is adjacent to a private college.
According to police, the firing took place due to an old rivalry.
The qualifying age bracket for the Soldier GD category is 17½ to 21 years while for Soldier Tech (AT), Sol Clk/SKT & Sol Tdn categories, it is 17½ to 23 years.