New Delhi, Sept. 4 -- Having exhumed the body of the 91-year-old man from a plot in south Delhi's Sangam Vihar late Monday night, police on Tuesday said that the killers had planned the killing a month ago. But, despite this, the decision to use a refrigerator to discreetly move the body of Kishan Dev Khosla from his house in Greater Kailash to the burial site was taken on the spur of the moment, said Parvinder Singh, additional deputy commissioner of police (south) [ADCP]....