Police have seized five grams of fine quality cocaine from him along with his scooty.
"Drug peddler, identified as Chukwuma Christian, 21, is a resident of Ontshe in Nigeria. He was operating from Mehrauli," police said.
"On Friday evening, we got information that some Nigerian nationals are indulging into drug peddling in South Delhi area."
"We mounted our sensitising secret informers and surveillance in the prospective area where those foreigners were roaming," said police.
Police have registered a case under the Narcotic Drugs and Psychotropic Substances Act, 1985 (NDPS Act) at Mehrauli police station.
Further investigation is underway.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)