A 35-year-old woman who is awaiting trial is confined in Ajmer prison, chewed off a 4-year-old boy\'s fingers in a horrific incident. The woman is behind bars for throwing her son off a moving train. The boy lives with his mother, who is also a prisoner, inside the four walls. The mother was also injured in the attack, when she tried to save her son, reports The Times of India. The incident occurred around lunch time when the boy\'s mother had left her son unattended to get food. The boy was playing by himself when the woman started beating him and even nibbled his fingers. The woman attacked the mother and bit her hand as well. The boy has not spoken a word after the attack and is in a state of shock. Both mother and son have been admitted in a hospital for treatment. A case has been registered against the attacker.