New Delhi (CNN) -- An Indian father invited to dinner a man he believes raped his 14-year-old daughter -- and then tortured and killed him, police told CNN on Tuesday.

The 36-year-old father, Vinod Kumar, turned himself into police in New Delhi the following day and told them he had burned the other man's genitals with hot tongs before strangling him to death, said Deputy Police Commissioner R.A. Sanjiv.

Kumar told police that the dead man had raped his daughter two months ago, but he didn't report it at the time because he said he feared it would tarnish his family's honor, according to Sanjiv.

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Instead, he invited the man, a medical supplier who lived in the same neighborhood of New Delhi, to dinner at his home on Friday, serving him food and drug-laced soft drinks, Sanjiv said.

He then gagged the 45-year-old man with a bed sheet and carried out the torture before strangling him, according to police.

Kumar has been charged with murder and is now in jail awaiting trial. The next legal step is for police to file a charge sheet in court with evidence to support their case. Confessions to police are not admissible in the court.

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It wasn't possible Tuesday to reach Kumar or a lawyer representing him.

Police are still awaiting the results of an autopsy on the body.

Kumar is married with four daughters and two sons. The dead man leaves a wife, a son and two daughters, both of whom are married.

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CNN's Harmeet Shah Singh reported from New Delhi, and Jethro Mullen reported and wrote from Hong Kong.