In a terrfying incident, a 50-year-old woman allegedly killed her three-month-old granddaughter after being fed up of the baby's ailment and expenses incurred over her illness, police said today.

When the child's mother was inside the bathroom and her father was in another washroom, the woman drowned her granddaughter in a water barrel.

According to police, a case of murder has been registered against the accused.

On Tuesday, the baby was left unattended in a cradle in the bedroom. Her mother was in bathroom whereas her father was in another washroom, and the suspect was having her breakfast. When the mother went to the bedroom, she did not see her baby in the cradle and they started searching for her in the house," Police Inspector Varsharani Patil, of Kondhwa police station, said.

The 50-year old grandmother tried to mislead her son and daughter-in-law by saying that two women were seen at their doorsteps and they could have possibly taken the baby."

But later baby was foud dead in a water barrel.

"During sustained investigation, the suspect spilled the beans and confessed to the crime. She told us that as the baby was ill since her birth, a lot of money was being spent and it was difficult to run the house as the family was debt-ridden," the inspector said.

Patil said,Looking at the child's age, it was impossible for her to go to the barrel and it was clear that someone had put the baby in water.