Rajeev Panwar, nephew of former mayor Jayshree Panwar, was arrested on June 24 for the alleged offence committed in his flat rented to the foreigners.
Rajeev, whose father is a government employee, was sent to Tihar jail till July 8 after he was produced before Metropolitan Magistrate Ankit Singla.
Rajeev, whose grandfather was a Member of Parliament and President Delhi Pradesh Congress Committee, was arrested on the complaint lodged by the American woman.
According to the complaint, on June 24 night Rajeev, after partying with the two alleged victims and husband of the US woman, raped the Russian woman and then trespassed in to the US woman's flat and molested her while she was sleeping.
Police sources said the two women were staying in the same building, but in different flats, owned by Rajeev.
It further stated that Rajeev was invited by the trio on the night of the incident as he was a friend with the Russian woman.