India, July 12 -- Police investigating the murder of Radhika Yadav, a 25-year-old tennis player who was shot dead by her father, are probing if the victim's mother had any knowledge of the plot to kill her.

The accused Deepak Yadav has confessed to the cops that he planned the murder of his daughter, sending his son to buy milk before executing the plan.

His wife and the victim's mother, Manju Yadav, has refused to give a statement to the police, saying even though she was present in the flat during the murder, she was down with fever and hadn't seen anything.

The investigators said that they were also looking into how much Manju was aware of her husband's plan to kill the couple's daughter, who he had asked to close down the tennis ac...