Jaipur, Sept. 23 -- A 25-year-old college student allegedly slit his grandmother's throat with a knife at their home in Jaipur's Bhatta Basti area on Tuesday, police said, adding that the accused has been detained. Bhatta Basti SHO Dilip Singh said "Pulkit and his grandmother, Vimla Devi, were the only people at home when the incident occurred in Housing Board Colony." "The accused's father had returned home after teaching at school. Inside the house, he found his mother lying on the bed covered in blood. His son's hands and clothes were also stained with blood," Singh said. Pulkit's father alerted neighbours, who informed the police. Pulkit remained inside the house when police arrived and claimed he knew nothing about the incident. Police detained him and are continuing to question him, Singh said. Vimla Devi's body was sent to a hospital for autopsy.htc...