 Complete the following phrase:  Neeraj Chopra born 24 December 1997 is an Indian track and field athlete who competes in the javelin throw. , he is ranked second internationally by World Athletics. A Junior Commissioned Officer JCO in the Indian Army, Chopra is the first track and field athlete to win a gold medal for India at the Olympics. He is also the first track and field athlete from India to win at the IAAF World U20 Championships, where in 