Rahul Sharma and Jahid were arrested from near Sector 14 Metro station in Dwarka yesterday, said Surender Kumar, DCP (south west).
During interrogation the accused admitted they carried out the robbery. They had followed the victim, Atul Goel, for some time before robbing him, he said.
The accused had found that Goel carried huge cash from his office in Dakshin Puri to his house in Malviya Nagar. On August 5, they stopped him near his house and looted Rs 1.5 lakh from him on gunpoint.