Neeraj’s father Satish Kumar is a farmer in a tiny village of Khandra in Panipat, Haryana. His mother, Saroj Devi, is a housewife and he has two sisters. Neeraj developed an interest in Javelin at the tender age of 11 after keeping an eye on Jaiveer (Jai Choudhary) who used to practice at the Panipat Stadium. Jaiveer is a javelin athlete who represented Haryana.