A 54-year-old Doctor from Odisha was killed in his house in South Delhi’s Chattarpur Enclave area.Police official sources said the deceased, Dr Sambit Mohanty hailed from Cuttack and was a Pathologist by profession.On Thursday noon, neighbours and house help of Mohanty called up the police informing that he was lying in a pool of blood with deep wound in neck. The Delhi Police launched an investigation and zeroed in on 23-year-old Sunny Sharma out of suspicion.During interrogation Sharma, who is a Dietician, confessed to killing Mohanty. Sharma was arrested then.The police official sources added two weeks ago, Mohanty befriended with Sharma. The Doctor asked Sharma to provide him with a health diet prescription. Accordingly, Sharma went to the house of Mohanty on Wednesday to give the diet prescription.A senior police official said Sharma told the investigators that Mohanty tried to touch him inappropriately. In a fit of rage, Sharma strangled Mohanty and slit his throat with a knife and a pair of scissors, that the accused found in the Doctor’s kitchen. A scuffle also ensued between the victim and accused before the murder.Sharma fled the spot after killing the Doctor, the Police official added.