"Narendra Singh, the chief medical officer of Jag Pravesh Chandra hospital, advised her to undergo an ultrasound. He lured her to a clinic outside the hospital, where he raped after giving her a drink laced with sedatives," said a police officer.

The victim approached police when she regained consciousness. Police said her medical examination confirmed rape.

Singh was arrested Wednesday late night from his house in Seelampur area.