According to official report, Bhagwan Dass Bodh raped the 20-year-girl when she went to his clinic in Trilokpuri for check-up on Sunday, Nov 15.
Enraged residents gheraod his clinic and beat him up for his heinous act before his arrest.
Officials said that medical examination of the victim confirmed the sexual assault.
Bodh was arrested under Section 376 of Indian Penal Code (IPC).
The incident took place just days after a survey showed Delhi to the topmost in the list of the unsafe cities.