During the preliminary investigation in the matter, the police took baby's father, his uncle and grandfather into custody. | Photo Credit: Thinkstock

Key Highlights A woman strangled her 27-day-old baby to death and threw the body into a septic tank The incident took place in Assam's Dibrugarh district The police suspected that the woman is suffering from mental illness

Guwahati: A woman strangled her 27-day-old baby to death and threw the body into a septic tank. The incident took place in Assam's Dibrugarh district under Gabharupathar Police outpost on Thursday night.

The baby's father Sajidul Ali told Times of India that when he work up around 1 pm his wife and the baby were fine and sleeping but when he got up at 5 am, he found the baby missing. He immediately raised an alarm and alerted the family members about the missing child. Upon searching, they found the baby's body in a septic tank in the backyard of their house.

During the preliminary investigation in the matter, the police took baby's father, his uncle and grandfather into custody. But later during the interrogation, baby's 19-year-old mother, Majidun Nesa confessed to having killed the child. The police officials added that she could not give any specific reason for her act.

Reportedly, the police suspected that the woman is suffering from mental illness. However, the police have registered a case in the matter under Section 302, 209 of the Indian Penal Code at the Dibrugarh Police Station.

Mobina khatum, the accused's relative told a media person that she had been behaving in a strange matter from last some days. At times, she would wake up screaming that someone was trying to kill her child, Khatum added. Expressing shock over the situation, Khatum further stated that the family cannot believe she killed her own child.

Reportedly, after killing the child, Nesa came back to bed and tried to kill herself but her husband woke up and controlled her. Later he found out that the child was missing and began searching for him. However, the woman has been arrested in the case and further probe is underway.