What Should I Do? Threatened To Kill..!

I\'m Jay living in Aurangabad with my family, Here is a gang of local goons in our area. The main boss of or a goons leader is son of a traffic police constable. When I was coming home he collapsed my bike, I opposed him but he slap me and beaten me with gang in public, then I came to home mom suggest me to complaint but, Goons called me and Threatened me to he will kill me and my family, and also he has sharp weapons in his house. I\'m very scared his father is police and also with his son. both son and his police father Threatened me to kill. What should I do? He has done a lots of crime here with poor peoples including me.