Ghaziabad: Dentist couple Rajesh and Nupur Talwar were on Tuesday awarded life imprisonment by a CBI court for killing their teenaged daughter Aarushi and domestic help Hemraj in a sensational double murder that gripped the nation for five-and-a-half years. Rajesh and Nupur were spared the death penalty by Additional Session Judge Shyam Lal who rejected the CBI plea for maximum punishment.